1.AFTA : Asia Free Trade Area.
2.AIDS : Acquired Immune Deficiency Syndrome.
3.ANC : African National Congress.
4.APEC : Asia Pacific Economic Cooperation.
5.ASCON : Army Swotced Communication Network.
6.ASEAN : Association of South-East Asian Nation.
7.ASLV : Augmented Satellite Launch Vehicle.
8.ATA : Air Time Authority.
9.CAPES : Computer Aided Paperless Examination System.
10.CFL : Central Food Laboratory.
11.CHOGM : Commonwealth Head Of Government Meeting.
12.CMC : Computer Maintenance Cooperation.
13.CTBT : Comprehensive Test Ban Treaty.
14.DFRD : Digital Fight Data Recorder.
15.DRDO : Defence Research and Development Organisation.
16.DWR : Doppler Weather Radar.
17.ECS : Electronic Clearing Service.
18.EDI : Electronic Data Interchange.
19.EMS : European Monetary System.
20.ERNET : Educational and Research Network.
21.ESMA : Essential Service Maintenance Act.
22.ESOS : Employees Stock Option Scheme.
23.ESPN : Entertainment and Sports Programming Network.
24.EURECA : European Research Coordination Agency.
25.FERA : Foreign Exchange Regulations Act.
26.GAIL : Gas Authority of India Limited.
27.GATT : General Agreement on Tariff and Trade.
28.GDI : Gender-related Development Index.
29.GNLF : Gorkhaland National Liberation Front.
30.GSTP : Global System of Trade Preferences.
31.HMS : Hybrid Mail Service.
32.HUDCO :Housing and Urban Development Corporation.
33.ICAO : International Civil Aviation Organisation.
34.INFACT : Indian Federation Against Copyright Corporation Act.
35.ISDN : Integrated Services Digital Network.
36.ISSP : Indian Space Satellite Project.
37.LCA : Light Combat Aircraft.
38.MIC : Methyl Iso-Cyanate.
39.MNF : Mizo National Front.
40.MRTS : Mass Rapid Transit System.
41.MTCR : Missile Technology Control Regime.
42.NAM : Non-Aligned Movement.
43.NHRC : National Human Rights Commission.
44.NPT : Nuclear non-Proliferation Treaty.
45.NSC : National Security Council.
46.OAU : Organisation of African Union.
47.OPEC : Organization of Petroleum Exporting Countries.
48.PSLV : Polar Satellite Launch Vehicle.
49.PWG : Peoples War Group.
50.RAF : Rapid Action Force.
51.RDS : Radio Data Servicing
52.SAARC : South Asia Association for Regional Cooperation.
53.SAPTA : South Asian Preferential Trading Agreement.
54.SDI : Strategic Defence Initiative (Star Wars).
55.TDC : Technology Development Council.
56.UNIDO : United Nations Industrial Development Organisation.
57.WBF : World Book Far.
58.WIPO : World Intellectual Property Organisation.
59.WTO : World Trade Organisation.
60.ZBB : Zero Based Budgeting.
61.ZPG : Zero Population Growth.
ABBREVIATION
1.A : First Class,Ace.
2.AAFI : Amateur Athletics Federation of India.
3.AD : Anno Domini(After Christ)
4.ADB : Asian Development Bank.
5.AI : Air India.
6.AIIMS : All India Institute of Medical Sciences.
7.AINEC : All India Newspaper Editors Conference.
8.AIR : All India Radio.
9.AM : Ante Meridiem(before noon), Amplitude Modulation.
10.APPLE : Ariane Passenger Payload Experiment.
11.ASC : Army Supply Corps.
12.AVARD : Association of Voluntary Agencies for Rural Development.
13.AVSM : Ati Vishist Seva Model.
14.BA : Bachelor of Arts.
15.BC : Before Christ.
16.BCG : Bacillus Calmette Guerin(Anti-T.B. Vaccine).
17.BCom : Bachelor of Commerce.
18.BE : Bachelor of Engineering.
19.BEd : Bachelor of Education.
20.BHEL : Bharat Heavy Electrical Ltd.
21.BSc : Bachelor of Science.
22.BSF : Border Security Force.
23.BTech : Bachelor of Technology.
24.C : Centigrade.
25.CA : chartered Accountant.
26.CBI : Central Bureau of Investigation.
27.CIA : Central Intelligence Agency(USA).
28.CID : Central Investigation Department.
29.CISF : Central Industrial Security Force.
30.CM : Chief Minister.
31.CNS : Chief of The Naval Staff.
32.CO : Commanding Officer.
33.CPC : Civil Procedure Code.
34.CR : Central Railway.
35.DA : Dearness Allowance.
36.DC : Direct Current,District of Columbia.
37.DM : District Magistrate.
38.DPI : Director of Public Instruction.
39.FBI : Federal Bureau of Investigation.
40.FFC : Film Finance Corporation.
41.FICCI : Federation of Indian Chambers of Commerce and Industry.
42.FRG : Federal Republic of Germany.
43.GIC : General Insurance Corporation.
44.GM : General Manager.
45.GMT : Greenwich Meen Time.
46.GPO : General Post Office.
47.HP : Horse Power.
48.HQ : HeadQuarters.
49.HV : High Voltage.
50.IA : Indian Airlines.
51.IAF : Indian Air Force.
52.IAS : Indian Administrative Service.
53.IATA : International Air Transport Association.
54.I & B : Information and Broadcasting.
55.ICC : International Chamber of Commerce,International Cricket Council.
56.ICS : Indian Civil Service.
57.IHF : Indian Hockey Federation.
58.IIPA : Indian Institute of Public Administration.
59.IIT : Indian Institute of Technology.
60.INA : Indian National Army.
61.INS : Indian Navy Ship,Indian Newspaper Society.
62.IPS : Indian Police Service,Inter Press Service.
63.IST : Indian Standard Time.
64.ITBP : Indo-Tibit Border Police.
65.ITDC : Indian Tourism Development Corporation.
66.JCO : Junior Commissioned Officer.
67.LIC : Life Insurance Corporation.
68.LLB : Legum Baccalareous(Bachelor of Laws).
69.Ltd : Limited.
70.Ma : Master of Arts, Magister Artium.
71.MBBS : Bachelor of Medicine and Bachelor of Surgery.
72.MC : Master of Ceremonies.
73.MD : Docter of Medicine;Managing Director.
74.ME : Mechanical engineer.
75.MEd : Master of Education.
76.MLA : Member of the Legislative Assembly.
77.MLC : Member of the Legislative Council.
78.MO : Medical Officer,Money Order.
79.MP : Member of Parliament.
80.MRA : Moral Rearmament.
81.MS : Master of Surgery.
82.MSc : Master of Science.
83.MSW : Master of Social Work.
84.NATO : North Atlantic Treaty Organisation.
85.NB : Nota Bene(Mark Well).
86.NCC : National Cadet Corps.
87.NCERT : National Council for Educational Research and Training.
88.NDA : National Defence Academy.
89.NSA : National Security Act.
90.NSC : National Service Corps.
91.NSS : National Service Scheme.
92.OAPEC : Organisation of Arab Petroleum Exporting Countries.
93.OC : Officer Commanding.
94.OK : Orl Korrect(all correct,all right).
95.ONGC : Oil and Natural Gas Corporation.
96.PA : Personal assistance.
97.PBX : Private Branch Exchange(Telephone).
98.PDA : Preventive Detention Act.
99.PhD : Doctor of Philosophy.
100.PIN code : Postal Index Number Code.
101.PLO : Palestinian Liberation Organisation.
102.PM : Post Meridiem (after noon)Prime Minister,Post Mortem.
103.POW : Prisoner Of War.
104.PP : Particular Person, Public Prosecuter.
105.PRO : Public Relations Officer.
106.PSC : Public Service Commission.
107.PT : Physical Training.
108.P & T : Post and Telegraph.
109.PTI : Press Trust of India.
110.PTO : Please Turn Over.
111.PUC : Pre-University Course.
112.PVC : Param Vir Chakra.
113.PVSM : Param Vishisht Seva Medal.
114.PWD : Public Works Department.
115.RCC : Reinforced Cement Concrete.
116.RSVP : Repondez S'il Vous Plait(reply if you please).
117.SALT : Strategic Arms Limitation Talks.
118.SDO : Sub-Divisional Officer.
119.SLV : Satellite Launch Vehicle.
120.SO : Special Officer.
121.SPCA : Society for the Prevention of Cruelty to Animals.
122.SR : Southern Railway.
123.STD : Subscriber Trunk Dialling.
124.TA : Travelling Allowance,Territorial Army.
125.TC : Transfer Certificate,Ticket Collector.
126.TELEX : Teleprinter Exchange.
127.TMO : Telegraphic Money Order.
128.TV : Television.
129.TWA : Trans-World Airlines.(USA).
130.UAE : United Arab Emirates.
131.UAR : United Arab Republic (Egypt and Syria).
132.UDC : Upper Division Clerk.
133.UGO : University Grants Commission.
134.UK : United Kingdom.
135.UN : United Nations.
136.UNEP : United Nations Environment Programme.
137.UNESCO : United Nations Educational,Scientific and Cultural Organisation.
138.UNI : United News of India.
139.UNICEF : United Nations International Children's Educational Fund.
140.CPI : United Press International.
141.UPU : Universal Postal Union.
142.USA : United States of America.
143.USIS : United States Information Service.
144.VC : Vice Chancellor,Victoria Cross.
145.VIP : Very Important Person.
146.VOA : Voice of America.
147.WHO : World Health Organisation.
148.WWF : World Wildlife Fund(now renamed World-Wide Fund for Nature).
149.Xmas : Christmas.
150.YMCA : Young Men's Christian Association.
151.YMCA : Young Women's Christian Association.
152.ZETA : Zero Energy Thermo-nuclear Assembly.
