Full forms List 2020: The Complete Updated List You should know

Full forms List 2020: The Complete Updated List You should know: What is the full form? The Complete Updated List You should know sorted by A-Z. This page is created for Important full forms of gk, general full forms used in daily life, full forms of words, full forms of names, what is full form of a to z, 20 full form.

Full forms List

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Full Forms List A - Z

Sl. No.	Letter - A	Full Forms
1	AIDS	Acquired Immune Deficiency Syndrome
2	ASP	Active Server Page
3	AML	Acute Myeloid Leukemia
4	ARDS	Acute Respiratory Distress Syndrome
5	ATP	Adenosine Triphosphate
6	ADIDAS	Adolf "Adi" Dassler
7	ATA	Advanced Technology Attachment
8	ARMD	Age-Related Macular Degeneration
9	AWACS	Airborne Warning and Control System
10	AAI	Airport Authority of India
11	AICTE	All India Council for Technical Education
12	ACS	American Chemical Society
13	ADR	American Depository Receipt
14	AIAAA	American Institute of Aeronautics and Astronautics
15	ASTM	American Society for Testing and Materials
16	ASCII	American Standard Code for Information Interchange
17	AT&T	American Telephone & Telegraph Company
18	ALS	Amyotrophic Lateral Sclerosis
19	AMUL	Anand Milk Union Limited
20	ABP	Ananda Bazaar Patrika News
21	APK	Android Application Package
22	AD	Anno Domini
23	AMC	Annual Maintenance Contract, American Motors Corporation
24	ABM	Anti Balistic Missile
25	ABS	Anti-lock Braking System
26	ASAT	Anti-satellite weapons
27	ATS	Anti-Terrorism Squad
28	API	Application Programming Interface
29	ABG	Arterial Blood Gas
30	ASAP	As Soon As Possible
31	ACU	Asian Currency Union
32	ADB	Asian Development Bank
33	AHRC	Asian Human Rights Commission
34	AMW	Asian Motors Limited
35	AMIE	Associate Member of the Institution of Engineers
36	ACC	Associated Cement Companies
37	ASEAN	Association of Southeast Asian Nations
38	AJAX	Asynchronous JavaScript and XML
39	ADHD	Attention Deficit Hyperactivity Disorder
40	ASLV	Augmented Satellite Launch Vehicle
41	ASR	Automated Speech Recognition
42	ATM	Automated Teller Machine
43	ACD	Automatic Call Distributor
44	ANM	Auxiliary Nurse Midwifery
45	APJ Abdul Kalam	Avul Pakir Jainulabdeen Abdul Kalam
46	AYUSH	Ayurvedic, Yoga and Naturopathy, Unani, Siddha and Homeopathy

Sl. No.	Letter - B	Full Forms
47	BA	Bachelor of Arts
48	BAMS	Bachelor of Ayurvedic Medicine and Surgery
49	BBA	Bachelor of Business Administration
50	B.Com	Bachelor of Commerce
51	BCA	Bachelor of Computer Applications
52	BDS	Bachelor of Dental Surgery
53	B.Ed	Bachelor of Education
54	BE	Bachelor of Engineering
55	BHMS	Bachelor of Homeopathic Medicine and Surgery
56	BMS	Bachelor of Management Studies & Business Management System
57	MBBS	Bachelor of Medicine, Bachelor of Surgery (Medicinae Baccalaureus, Baccalaureus Chirurgiae in Latin)
58	BSC	Bachelor of Science, Base Station Controller
59	B.Tech	Bachelor of Technology
60	BCG	Bacillus Calmette-Guerin
61	BTS	Bangtan Sonyeondan
62	BOB	Bank of Baroda
63	BFSI	Banking, Financial Services, and Insurance
64	BMR	Basal Metabolic Rate
65	BIOS	Basic Input Output System
66	BMW	Bayerische Motoren Werke
67	BRB	Be Right Back
68	BAE	Before Anyone Else
69	BCE	Before Common Era
70	BASIC	Beginner's All-Purpose Symbolic Instruction Code
71	BPL	Below Poverty Line & British Physical Laboratories Group
72	BARC	Bhaba Atomic Research Center
73	BHIM	Bharat Interface for Money
74	BKU	Bhartiya Kisan Union
75	BLOB	Binary Large Object
76	BUN	Blood Urea Nitrogen
77	BCCI	Board of Control of Cricket in India
78	BIFR	Board of Industrial and Financial Reconstruction
79	BMI	Body Mass Index
80	BMT	Bone Marrow Transplant
81	BMD	Bone Mineral Density
82	BRO	Border Road Organization
83	BSF	Border Security Force
84	BODMAS	Bracket, of, Division, Multiplication, Addition and Subtraction
85	BRICS	Brazil Russia India China And South Africa
86	BBC	British Broadcasting Corporation
87	BIS	Bureau of Indian Standards
88	BPO	Business Process Outsourcing

Sl. No.	Letter - C	Full Forms
89	CPR	Cardio-Pulmonary Resuscitation
90	CSS	Cascading Style Sheet
91	CRR	Cash Reserve Ratio
92	CRT	Cathode Ray Tube
93	CBSE	Central Board of Secondary Education
94	CBI	Central bureau of Investigation & Central Bank of India
95	CISF	Central Industrial Security Force
96	CIA	Central Intelligence Agency
97	CPO	Central Police Organisation
98	CPCB	Central Pollution Control Board
99	CPU	Central Processing Unit
100	CRPF	Central Reserve Police Force
101	CST	Central Sales Tax, Chhatrapati Shivaji Terminus, Central Standard Time
102	CVA	Cerebral Vascular Accident or Cerebrovascular Accident
103	CAIIB	Certified Associate of Indian Institute of Bankers
104	VISA	charta visa, lit in Latin
105	CA	Chartered Accountant
106	CFA	Chartered Financial Analyst
107	CTS	Cheque Truncation System & Clear to Send
108	CEO	Chief Executive Officer
109	CFO	Chief Financial Officer
110	CMO	Chief Medical Officer
111	COO	Chief Operating Officer
112	CTO	Chief Technology Officer
113	CML	Chronic Myelogenous Leukemia
114	COPD	Chronic Obstructive Pulmonary Disease
115	CCIL	Clearing Corporation of India Limited
116	COB	Close of Business
117	CCTV	Closed Circuit Television
118	CDMA	Code Division Multiple Access
119	SSC-CGL	Combined Graduate Level
120	CAT	Common Admission Test
121	COBOL	Common Business Oriented Language
122	CPT	Common Proficiency Test
123	CD	Compact Disc
124	CFL	Compact fluorescent lamp
125	CS	Company Secretary & Computer Science
126	CFT	Complement Fixation Test
127	CBC	Complete Blood Count
128	CAGR	Compound Annual Growth Rate
129	CTBT	Comprehensive Nuclear Test Ban Treaty
130	CNG	Compressed Natural Gas
131	CAG	Comptroller and Auditor General of India
132	CAD	Computer Aided Design
133	CGI	Computer Generated Imagery
134	CSE	Computer Science Engineering
135	CNC	Computerized Numerical Control
136	CII	Confederation of Indian Industry
137	CHF	Congestive Heart Failure
138	CMS	Content Management System
139	CABG	Coronary Artery Bypass Graft
140	CSR	Corporate Social Responsibility
141	CPM	Cost per Mile
142	CTC	Cost To Company
143	CSIR	Council of Scientific and Industrial Research
144	CCC	Course on Computer Concepts
145	ICICI	Credit and Investment Corporation of India
146	CIBIL	Credit Information Bureau (India) Limited
147	CMA	Credit Monitoring Analysis
148	CRISIL	Credit Rating Information Services of India Limited
149	CID	Crime Investigation Department
150	CC	Cubic Capacity/ Cubic Centimeter, Carbon Copy
151	CGPA	Cumulative Grade Point Average
152	CV	Curriculum Vitae
153	CIF	Customer Information File
154	CRM	Customer Relationship Management
155	CMV	Cytomegalovirus

Sl. No.	Letter - D	Full Forms
156	DHL	Dalsey Hillblom Lynn
157	DVC	Damodar Valley Corporation
158	DC	Data Compression & Direct Current
159	DVT	Deep Vein Thrombosis
160	DRDO	Defense Research and Development Organization
161	DJD	Degenerative Joint Disease
162	DLF	Delhi Land and Finance
163	DNA	Deoxyribonucleic Acid
164	DST	Department of Science & Technology
165	DEAF	Depositor Education and Awareness Fund
166	DIG	Deputy Inspector General
167	DSP	Deputy Superintendent of Police
168	DTP	Desk-Top Publishing, Distributed Transaction Processing
169	DCB	Development Credit Bank
170	DS Group	Dharampal Satyapal Group
171	DDT	DichloroDiphenylTrichloroethane
172	DSC	Digital Signature Certificate
173	DSLR	Digital single-lens reflex
174	DSL	Digital Subscriber Line
175	DVD	Digital Video Disc, Digital Versatile Disc
176	DHT	Dihydrotestosterone
177	DCA	Diploma in Computer Application
178	DNB	Diplomate of National Board
179	DJ	Disc Jockey
180	DP	Display Picture & Data Processing
181	DIY	Do it Yourself
182	MD	Doctor of Medicine
183	PHD	Doctor of Philosophy
184	DNS	Domain Name System
185	DPI	Dots Per Inch
186	DHCP	Dynamic Host Configuration Protocol

Sl. No.	Letter - E	Full Forms
187	ENT	Ear Nose Throat
188	EWS	Economically Weaker Section
189	ERNET	Education and Research Network
190	EEE	Electrical and Electronics Engineering
191	ECG	Electrocardiogram
192	ECT	Electroconvulsive Therapy
193	EEG	Electroencephalogram
194	EMG	Electromyogram
195	ECE	Electronic and Communication Engineering
196	ECS	Electronic Clearing Service
197	EDI	Electronic Data Interchange
198	EDP	Electronic Data Processing
199	ENIAC	Electronic Numerical Integrator and Computer
200	ECR	Emigration Check Required
201	EPFO	Employee Provident Fund Organization
202	ESI	Employee's State Insurance
203	ESIC	Employees State Insurance Corporation
204	EOD	End of the Day
205	ED	Enforcement Directorate
206	EPC	Engineering, Procurement and Construction
207	EDGE	Enhanced Data Rates for GSM (Global System for Mobile) Evolution
208	EJB	Enterprise Java Bean
209	ERP	Enterprise Resource Planning
210	EBV	Epstein - Barr virus
211	EMI	Equated Monthly Installment
212	ELSS	Equity-linked Saving Scheme
213	ETA	Estimated Time of Arrival
214	ETC	Et cetera
215	ECC	Excise Control Code
216	XML	eXtensible Markup Language
217	XMPP	Extensible Messaging and Presence Protocol
218	EBRT	External Beam Radiation Therapy

Sl. No.	Letter - F	Full Forms
219	FAX	Facsimile
220	FMCG	Fast-Moving Consumer Goods
221	FOMO	Fear of Missing Out
222	FBI	Federal Bureau of Investigation
223	FIFA	Federation Internationale de Football Association
224	FICCI	Federation of Indian Chambers of Commerce and Industry
225	FHR	Fetal Heart Rate
226	FTP	File Transfer Protocol
227	FIR	First Information Report
228	FCI	Food Corporation of India
229	FSSAI	Food Safety and Standards Authority of India
230	FYI	For Your Information
231	FATCA	Foreign Account Tax Compliance Act
232	FCCB	Foreign Currency Convertible Bond
233	FDI	Foreign Direct Investment
234	FEMA	Foreign Exchange Management Act
235	FORTRAN	FORmula TRANslation
236	FOB	Free on Board
237	F.O.R	Freight on Road
238	FM	Frequency Modulation

Sl. No.	Letter - G	Full Forms
239	GAIL	Gas Authority of India Limited
240	GNM	General Nursing and Midwifery
241	GPRS	General Packet Radio Service
242	GMO	Genetically Modified Organism
243	GIS	Geographic Information System
244	GSLV	Geosynchronous Satellite Launch Vehicle
245	GOOGLE	Global Organization Of Oriented Group Language Of Earth
246	GPS	Global Positioning System
247	GSM	Global System for Mobile communication
248	GFR	Glomerular Filtration Rate
249	GTT	Glucose Tolerance Test
250	GCC	GNU Compiler Collection
251	GNU	GNU's Not UNIX
252	GST	Goods and Service Tax
253	GPA	Grade Point Average
254	GATE	Graduate Aptitude Test in Engineering
255	GRE	Graduate Record Examination
256	GUI	Graphical USer Interface
257	GIF	Graphics Interchange Format
258	GBP	Great Britain Pound
259	GMT	Greenwich Mean Time
260	GDP	Gross Domestic Product

Sl. No.	Letter - H	Full Forms
261	HSN	Harmonized System of Nomenclature
262	HVAC	Heating Ventilation and Air Conditioning
263	HP	Hewlett-Packard
264	HDMI	High Definition Multimedia Interface
265	HTC	High Tech Computer
266	HVDC	High Voltage Direct Current Transmission
267	HSC	Higher Secondary Certificate & Higher Secondary School Certificate
268	HCL	Hindustan Computers Limited
269	HSBC	Hong Kong and Shanghai Banking Corporation
270	HUDCO	Housing and Urban Development Corporation Limited
271	HDFC	Housing Development Finance Corporation
272	HDI	Human Development Index
273	HIV	Human Immunodeficiency Virus
274	HR	Human Resources
275	HTML	Hyper Text Markup Language
276	HTTP	Hyper Text Transfer protocol
277	PHP	Hypertext Preprocessor (earlier called, Personal Home Page)

Sl. No.	Letter - I	Full Forms
278	IKR	I know, Right?
279	ITP	Idiopathic Thrombocytopenic Purpura
280	IMAO	In My Arrogant Opinion
281	IMO	In My Opinion & International Maritime Organization
282	IVF	IN Vitro Fertilization
283	IIFL	India Infoline Finance Limited
284	IAS	Indian Administrative Service
285	ICSE	Indian Certificate of Secondary Education
286	ICAR	Indian Council of Agricultural Research
287	ICMR	Indian Council of Medical Research
288	IFFCO	Indian Farmers Fertilizer Cooperative Limited
289	IFSC	Indian Financial System Code
290	IFS	Indian Foreign Service
291	IIT	Indian Institute of Technology
292	IMA	Indian Military Academy & Indian Medical Association
293	INS	Indian Navy Ship
294	IPS	Indian Police Service, In-Plane Switching, Intrusion Prevention System
295	IPL	Indian Premier League
296	IRCTC	Indian Railways Catering and Tourism Corporation
297	IRS	Indian Revenue Service
298	INR	Indian Rupee
299	ISC	Indian School Certificate
300	ISRO	Indian Space Research Organization
301	ISI	Indian Standards Institute
302	ITC	Indian Tobacco Company, International Trade Center, Independent Telephone Company
303	IDBI	Industrial Development Bank of India
304	ITI	Industrial Training Institute
305	ICT	Information and Communications Technology
306	IT	Information Technology & Income Tax
307	ITES	Information Technology Enabled Services
308	ITIL	Information Technology Infrastructure Library
309	IDFC	Infrastructure Development Finance Company
310	IL&FS	Infrastructure Leasing & Financial Services
311	IPO	Initial Public Offering
312	IBPS	Institute of Banking Personnel Selection
313	ICWA	Institute of Cost & Works Accountants of India, Indian Child Welfare Act
314	IEEE	Institute of Electrical and Electronics Engineers
315	IRDA	Insurance Regulatory and Development Authority & Infrared DATA Association
316	ICDS	Integrated Child Development Services
317	IC	Integrated Circuit
318	IDE	Integrated Development Environment & Integrated Drive Electronics
319	IGST	Integrated Goods and Services Tax
320	IPCC	Integrated Professional Competence Course
321	IRDP	Integrated Rural Development Programme
322	IB	Intelligence Bureau
323	IQ	Intelligence Quotient
324	ICU	Intensive Care Unit
325	IVR	Interactive Voice Response
326	INTERNET	Interconnected Network
327	IATA	International Air Transport Association
328	IBM	International Business Machines
329	IEC	International Electrotechnical Commission
330	IELTS	International English Language Testing System
331	IMEI	International Mobile Equipment Identity
332	IMF	International Monetary Fund
333	IOC	International Olympic Committee
334	ISO	International Organization for Standardization
335	IPI	International Press Institute
336	ISKCON	International Society for Krishna Consciousness
337	ISD	International Subscriber Dialing
338	IUCN	International Union for Conservation of Nature
339	IMDb	Internet Movie Database
340	IP	Internet Protocol
341	ISP	Internet Service Provider
342	ICRA	Investment Information and Credit Rating Agency
343	iOS	iPhone Operating System

Sl. No.	Letter - J	Full Forms
344	JBL	James Bullough Lansing
345	JSON	JavaScript Object Notation
346	JSF	JavaServer Faces
347	JCV	John Cunningham Virus
348	JEE	Joint Entrance Examination
349	JPG	Joint Photographic Experts Group
350	JCB	Joseph Cyril Bamford
351	JK Tyre	Juggilal Kamlapat Ji Tyres
352	JVD	Jugular Vein Distension
353	JAIIB	Junior Associate of the Indian Institute of Bankers

Sl. No.	Letter - K	Full Forms
354	KFC	Kentucky Fried Chicken
355	KPI	Key Performance Indicator
356	KRA	Key Result Area/ Key Responsibility Area
357	KRPL	Khushi Ram Behari Lal Limited
358	Kbps	Kilobits per second
359	KPMG	KLYNVELD PEAT MARWICK GOERDELER
360	KYC	Know Your Customer
361	KPO	Knowledge Process Outsourcing
362	KGF	Kolar Gold Fields
363	KTM	Kraftfahrzeuge Trunkenpolz Mattighofen
364	KEI	Krishna Electricals Industries Limited

Sl. No.	Letter - L	Full Forms
365	L&T	Larsen and Toubro
366	LMAO	Laughing My A** Off
367	LMFAO	Laughing My Fucking Ass Off
368	LOL	Laughing Out Loud
369	LLB	Legum Baccalaureus in Latin, Bachelor of Laws
370	LLM	Legum Magister
371	LG	Lieutenant Governor, Lucky Goldstar
372	LIC	Life Insurance Corporation of India
373	LASER	Light Amplification by Stimulated Emission of Radiation
374	LED	Light Emitting Diode
375	LLP	Limited Liability Partnership
376	LPG	Liquefied Petroleum Gas
377	LCD	Liquid Cristal Display
378	LFT	Liver Function Tests
379	LTE	Long Term Evolution
380	LDL	Low Density Lipoprotein
381	LKG	Lower Kindergarten

Sl. No.	Letter - M	Full Forms
382	MRF	Madras Rubber Factory
383	MICR	Magnetic Ink Character Recognition
384	MRI	Magnetic Resonance Imaging
385	MTNL	Mahanagar Telephone Nigam Limited
386	MIS	Management Information System
387	MCLR	Marginal Cost of Funds based Lending Rate
388	MBA	Master of Business Administration
389	MCA	Master of Computer Application
390	MS	Master of Science, Master of Surgery, Microsoft
391	MMR	Measles Mumps and Rubella
392	MAC	Media Access Control Address
393	MBPS	Megabits per Second
394	MLA	Member of Legislative Assembly
395	MOU	Memorandum of Understanding
396	MC	Menstrual Cycle
397	MTS	Microsoft Transaction Server
398	MCB	Miniature Circuit Breaker
399	MoES	Ministry of Earth Sciences
400	MSME	Ministry of Micro, Small and Medium Enterprises
401	MMID	Mobile Money Identifier
402	MSC	Mobile Switching Center & Master of Science
403	MPEG	Moving Picture Experts Group
404	MMS	Multimedia Messaging Service

Sl. No.	Letter - N	Full Forms
405	NABH	National Accreditation Board for Hospitals & Healthcare Providers
406	NASA	National Aeronautics and Space Administration
407	NAAC	National Assessment and Accreditation Council
408	NASDAQ	National Association of Securities Dealers Automated Quotations
409	NABARD	National Bank for Agriculture and Rural Development
410	NCC	National Cadet Corps
411	NCR	National Capital Region
412	NCERT	National Council of Educational Research and Training
413	NDA	National Defence Academy, National Democratic Alliance
414	NDRF	National Disaster Response Force
415	NEFT	National Electronic Funds Transfer
416	NET	National Eligibility Test
417	NEET	National Eligibility-cum-Entrance Test
418	NIIT	National Institute of Information Technology
419	NPCI	National Payments Corporation of India
420	NSDL	National Securities Depository Limited
421	NSS	National Service Scheme
422	NIFTY	National Stack Exchange Fifty
423	NSE	National Stock Exchange
424	NSUI	National Students' Union of India
425	NTPC	National Thermal Power Corporation
426	NFC	Near Field Communication
427	NAC	Network Access Control
428	NDTV	New Delhi Television
429	NTG	Nitroglycerin
430	NOC	No Objection Certificate
431	LOVE	No, but can be Life's Only Valuable Emotion, Long Lasting Original Valuable Emotion
432	INDIA	No, but can be termed as Independent National Democratic Intelligent Area
433	NPA	Non Performing Assets
434	NBFC	Non-Banking Financial Companies
435	NOTA	None of the Above
436	NGO	Non-Governmental Organization
437	NRI	Non-Resident Indian
438	NATO	North Atlantic Treaty Organization

Sl. No.	Letter - O	Full Forms
439	OCD	Obsessive-Compulsive Disorder
440	OSA	Obstructive Sleep Apnea
441	ONGC	Oil and Natural Gas Corporation
442	OK	Olla Kalla or Oll Korrect
443	OTP	One-time Password
444	OCR	Optical Character Recognition
445	OMR	Optical Mark Recognition
446	OECD	Organization for Economic Co-operation and Development
447	OPEC	Organization of Petroleum Exporting Countries
448	OEM	Original Equipment Manufacturer
449	OOTD	Outfit of the Day
450	OPD	Outpatient Department

Sl. No.	Letter - P	Full Forms
451	PING	Packet InterNet Groper
452	PNR	Passenger Name Record
453	PID	Pelvic Inflammatory Disease
454	PAN	Permanent Account Number
455	PDA	Personal Digital Assistant
456	PFA	Please Find Attachment, Predictive Failure Analysis
457	PTO	Please Turn Over & Paid Time Off
458	POS	Point of Sale
459	PSLV	Polar Satellite Launch Vehicle
460	PCC	Police Clearance Certificate
461	PUC	Pollution Under Control , Pre University Course , Personal Unlock Code
462	PVC	Poly Vinyl Chloride
463	PKD	Polycystic Kidney Disease
464	PDF	Portable Document Format
465	PNG	Portable Network Graphics
466	PGDCA	Post Graduate Diploma in Computer Application
467	PGDM	Post Graduate Diploma in Management
468	PS	Postscript
469	PTSD	Post-Traumatic Stress Disorder
470	PH	Potential of Hydrogen
471	PSI	Pound per Square Inch & Population Services International
472	LBS	Pound-Mass or Pound & Location Based Service
473	PMS	Premenstrual Syndrome
474	PCI	Press Council of India
475	PCB	Printed Circuit Board
476	PBX	Private Branch Exchange
477	PVR	Priya Village Roadshow
478	PO	Probationary Officer & Post Office
479	POC	Proof of Concept
480	PCS	Provincial Civil Service
481	PCO	Public Call Office
482	PFMS	Public Financial Management System
483	PIL	Public Interest Litigation
484	PKC	Public Key Cryptography
485	PSU	Public Sector Undertaking, Power Supply Unit
486	PUBG	Public Works Department
487	PWD	Public Works Department
488	PNB	Punjab National Bank

Sl. No.	Letter - Q	Full Forms
489	QR Code	Quick Response Code

Sl. No.	Letter - R	Full Forms
490	RADAR	Radio Detection And Ranging
491	RFID	Radio Frequency Identification
492	RRB	Railway Recruitment Board
493	RAM	Random Access Memory
494	RBL	Ratnakar Bank Limited
495	RERA	Real Estate Regulatory Authority
496	RSS	Really Simple Syndication, Rashtriya Swayamsevak Sangh
497	RTGS	Real-Time Gross Settlement
498	RBC	Red Blood Cell
499	RTO	Regional Transport Office/ Road Transport Office
500	RSVP	Repondez s'il vous plait
501	RAW	Research and Analysis Wing
502	RDX	Research Department Explosive / Royal Demolition Explosive
503	RAC	Reservation Against Cancellation
504	RIP	Rest In Peace, Routing Information Protocol
505	RO,UV,UF	Reverse Osmosis , Ultraviolet , Ultrafiltration
506	RPM	Revolutions Per Minute
507	RHD	Rheumatic Heart Disease
508	RNA	Ribonucleic Acid
509	RTI	Right to Information
510	RSA	Rivest, Shamir, Adleman
511	ROFL	Rolling On Floor Laughing

Sl. No.	Letter - S	Full Forms
512	SOS	Save Our Souls
513	SAT	Scholastic Aptitude Test, Scholastic Assessment Test
514	SEO	Search Engine Optimization
515	SSC	Secondary School Certificate, Staff Selection Commission
516	SSLC	Secondary School Leaving Certificate
517	SSL	Secure Sockets Layer
518	SEBI	Securities and Exchange Board of India
519	SCUBA	Self-Contained Underwater Breathing Apparatus
520	SATA	Serial Advanced Technology Attachment
521	SGOT	Serum Glutamic Oxaloacetic Transaminase
522	SGPT	Serum Glutamic Pyruvic Transaminase
523	SLA	Service Level Agreement
524	SSB	Service Selection Board
525	STP	Sewage Treatment Plant
526	SMH	Shake My Head
527	SMS	Short Message Service
528	SMTP	Simple Mail Transfer Protocol
529	SLR	Single Lens Reflex, Statutory Liquidity Ratio
530	SME	Small and Medium-sized Enterprises
531	SIDBI	Small Industries Development Bank of India
532	SDK	Software Development Kit
533	SSD	Solid State Drive
534	SONAR	Sound Navigation and Ranging
535	SAARC	South Asian Association for Regional Cooperation
536	SIT	Special Investigation Team
537	SWAT	Special Weapons and Tactics
538	SUV	Sport Utility Vehicle
539	SOP	Standard Operating Procedure
540	SBI	State Bank of India
541	SHO	Station House Officer
542	SAS	Statistical Analysis Software
543	SPSS	Statistical Package for the Social Sciences
544	SENSEX	Stock Exchange Sensitive Index
545	SKU	Stock Keeping Unit
546	SQL	Structured Query Language
547	SDM	Sub Divisional Magistrate
548	SIM	Subscriber Identity Module
549	STD	Subscriber Trunk Dialing, Sexually Transmitted Diseases
550	SCADA	Supervisory Control and Data Acquisition
551	SMPS	Switched-Mode Power Supply/ Switching Mode Power Supply
552	SIP	Systematic Investment Plan
553	SAP	systems, applications and products

Sl. No.	Letter - T	Full Forms
554	TTYL	Talk To You Later
555	TCS	Tata Consultancy Services
556	TDS	Tax Deducted at Source
557	TAN	Tax Deduction and Collection Account Number
558	TIN	Taxpayer Identification Number
559	TRAI	Telecom Regulatory Authority of India
560	TRP	Television Rating Point
561	TOEFL	Test of English as a Foreign Language
562	TT	Tetanus Toxoid
563	TFT	Thin Film Transistor
564	TPA	Third Party Administrator
565	TVS	Thirukkurungudi Vengaram Sundram
566	TBT	Throwback Thursday
567	TDR	Ticket Deposit Receipt, Term Deposit Receipt, Time Domain Reflectometer
568	TOI	Times of India
569	TBH	To Be Honest
570	TLC	Total Lung Capacity
571	TAFE	Tractors and Farm Equipment
572	TGT	Trained Graduate Teacher
573	TCP/IP	Transmission Control Protocol/Internet Protocol
574	TBI	Traumatic Brain Injury
575	TA & DA	Travelling Allowance & Dearness Allowance
576	TAT	Turn Around Time

Sl. No.	Letter - U	Full Forms
577	UML	Unified Modeling Language
578	UPI	Unified Payment Interface
579	URL	Uniform Resource Locator
580	UPS	Uninterruptible Power Supply
581	USSR	Union of Soviet Socialist Republics
582	UPSC	Union Public Service Commission
583	UIDAI	Unique Identification Authority of India
584	USP	Unique Selling Proposition
585	UCO Bank	United Commercial Bank
586	UKSA	United Kingdom Space Agency
587	UNICEF	United Nations Children's Fund
588	UNDP	United Nations Development Programme
589	UNESCO	United Nations Educational, Scientific and Cultural Organization
590	UNO	United Nations Organization
591	UPA	United Progressive Alliance, United Production of America
592	USB	Universal Serial Bus
593	UGC	University Grants Commission
594	USSD	Unstructured Supplementary Service Data
595	UTI	Urinary Tract Infection
596	UDP	User Datagram Protoco

Sl. No.	Letter - V	Full Forms
597	VAT	Value Added Tax
598	VHDL	VHSIC (Very High Speed Integrated Circuit) Hardware Description Language
599	VGA	Video Graphics Array
600	VLC	VideoLAN Client
601	VPI	Virtual Path Identifier
602	VFX	Visual Effects
603	VTU	Visvesvaraya Technological University
604	VIRUS	Vital Information Resources Under Seize
605	Volte	Voice over Long Term Evolution

Sl. No.	Letter - W	Full Forms
606	WIPRO	Western India Products
607	WBC	White Blood Cell
608	WPA	Wi-Fi Protected Access
609	WIFI	Wireless Fidelity
610	WEF	World Economic Forum, With Effect From
611	WIPO	World Intellectual Property Organization
612	WWF	World Wide Fund for Nature, World Wrestling Federation
613	WWW	World Wide Web

Sl. No.	Letter - Y	Full Forms
614	YAHOO	Yet Another Hierarchy of Officious Oracle / Yet Another Hierarchically Organized Oracle