| ASAP | As Soon As Possible |
| RIP | Rest In Peace |
| COO | Chief Operating Officer |
| DSLR | Digital Single-Lens Reflex |
| DSP | Deputy Superintendent of Police |
| IQ | Intelligence Quotient |
| CST | Chhatrapati Shivaji Terminus |
| CST | Central Standard Time |
| OK | Oll Korrect or Olla Kalla |
| AM | Ante Meridian (Before Noon) |
| PM | Post Meridian (After Noon) |
| ATM | Automated Teller Machine |
| NCR | National Capital Region |
| STD | Sexually Transmitted Disease |
| STD | Subscriber Trunk Dialing |
| TRP | Television Rating Point |
| IAS | Indian Administrative Services |
| PRO | Public Relations Officer |
| PIN | Postal Index Number |
| ID | Identity Document |
| VIP | Very Important Person |
| RPO | Recruitment Process Outsourcing |
| Pro. | Professional |
| TVC | Thrust Vector Control |
| TVC | Total Variable Costs |
| SFC | Special Frontier Force |
| PMI | Purchasing Managers’ Index |
| PMI | Project Management Institute |
| VVIP | Very Very Important Person |
| NRLM | National Rural Livelihood Mission |
| CIC | Central Information Commission |
| IRDP | Integrated Rural Development Program |
| RPM | Revolutions Per Minute |
| SDM | Sub Divisional Magistrate |
| SHO | Station House Officer |
| MIS | Management Information System |
| MRI | Magnetic Resonance Imaging |
| CFL | Compact fluorescent lamp |
| VISA | Visa International Service Association |
| TTE | Travelling Ticket Examiner |
| DJ | Disc Jockey |
| PNR | Passenger Name Record |
| POLICE | Protection Of Life and Investigating Criminals Establishment |
| DM | District Magistrate |
| DNA | Deoxyribonucleic Acid |
| FIR | First Information Report |
| NDA | National Democratic Alliance |
| RCC | Reinforced Cement Concrete |
| HR | Human Resource |
| IPC | Indian Penal Code |
| MP | Member of Parliament |
| SP | Superintendent of Police |
| FMCG | Fast Moving Consumer Goods |
| DIG | Deputy Inspector General |
| UPA | United Progressive Alliance |
| PVC | Poly Vinyl Chloride |
| PVC | Permanent Virtual Circuit |
| SLR | Single Lens Reflex |
| ACP | Assistant Commissioner of Police |
| SSB | Services Selection Board |
| SSF | Special Security Force |
| SUV | Sport Utility Vehicle |
| NEWS | North East West South |
| BC | Before Christ |
| POP | Plaster Of Paris |
| CC | Cubic Capacity or Cubic centimeter |
| CC | Cash Credit |
| PCS | Personal Communications Service |
| PCS | Provincial Civil Services |
| PCS | Public Civil Service |
| OD | Overdraft |
| OD | On Duty |
| AKA | Also Known As |
| BTW | By the Way |
| DIY | Do it Yourself |
| FAQ | Frequently Asked Questions |
| NRI | Non-Resident Indian |
| BPO | Business Process Outsourcing |
| SMS | Short Messaging Service |
| EPS | Encapsulated Post-Script |
| DIB | Device Independent Bitmap |
| ZIP | Zone Improvement Plan |
| CMD | Chairman & Managing Director |
| ICE | In Case of Emergency |
| ICE | In-Circuit Emulator |
| HRD | Human Resource Department |
| UAE | United Arab Emirates |
| RAC | Reservation Against Cancellation |
| GMT | Greenwich Mean Time |
| SIT | Special Investigation Team |
| NSS | National Service Scheme |
| MTA | Mail Transfer Agent |
| ICE | Instrumentation and Control Engineering |
| UFO | Unidentified Flying Object |
| ARP | Advance Reservation Period |
| DIB | Director of Intelligence Bureau |
| IMS | Integrated Management Systems |
| NIC | National Industrial Classification |
| ISA | Industry Standard Architecture |
| ABG | Arterial Blood Gas |
| AIDS | Acquired Immune Deficiency Syndrome |
| BDS | Bachelor of Dental Surgery |
| BMD | Bone Mineral Density |
| BMI | Body Mass Index |
| CBC | Complete Blood Count |
| CMO | Chief Medical Officer |
| GMO | Genetically Modified Organism |
| HIV | Human Immunodeficiency Virus |
| ICU | Intensive Care Unit |
| RBC | Red Blood Cell |
| RNA | Ribonucleic Acid |
| WBC | White Blood Cell |
| OPD | Outpatient Department |
| DC | District of Columbia |
| PM | Prime Minister |
| CM | Chief Minister |
| MLA | Member of Legislative Assembly |
| MLC | Member of Legislative Council |
| LDC | Lower Division Clerk |
| UDC | Upper Division Clerk |
| ASM | Assistant Station Master |
| Lt.Gov. | Lieutenant Governor |
| ITO | Income Tax Officer |
| CID | Criminal Investigation Department |
| CBI | Central Bureau of Investigation |
| GPO | General Post Office |
| HQ | Head Quarters |
| EOE | Errors and Omissions Excepted |
| PTO | Please Turn Over |
| PWD | Public Works Department |
| CPWD | Central Public Works Department |
| USA | United States of America |
| UK | United Kingdom (England) |
| IG | Inspector General (of Police) |
| DIG | Deputy Inspector General (of Police) |
| SSP | Senior Superintendent of Police |
| SDO | Sub Divisional Officer |
| APJ Abdul Kalam | Avul Pakir Jainulabdeen Abdul Kalam |
| IPC | Indian Penal Code |
| MHA | Master of Healthcare Administration |
| MHA | Ministry of Home Affairs |
| ICG | Indian Coast Guard |
| IOFS | Indian Ordnance Factories Service |
| IAST | International Alphabet of Sanskrit Transliteration |
| IAF | Indian Armed Forces |
| BEML | Bharat Earth Movers Limited |
| GRSE | Garden Reach Shipbuilders & Engineers |
| CRPF | Central Reserve Police Force |
| NAA | National Auctioneers Association |
| ITBP | Indo-Tibetan Border Police |
| OFB | Ordnance Factories Board |
| MLE | Maximum Likelihood Estimation |
| MLE | Ministry of Labour and Employment |
| NCS | National Career Service |
| CIFE | Central Institute of Fisheries Education |
| BSF | Border Security Force |
| CAPF | Central Armed Police Forces |
| SSB | Sashastra Seema Bal |
| CISF | Central Industrial Security Force |
| NSG | National Security Guard |
| SPG | Special Protection Group |
| RPF | Railway Protection Force |
| NDRF | National Disaster Response Force |
| WMD | Weapons of Mass Destruction |
| CBW | Chemical and Biological Weapons |
| NCM | Nuclear-armed Cruise Missiles |
| IND | India’s Nuclear Doctrine |
| IBMDP | Indian Ballistic Missile Defence Programme |
| BDO | Block Development Office |
| CSTC | Calcutta State Transport Corporation |
| WBSTC | West Bengal Surface Transport Corporation |
| NDRTC | Nobo Diganto Road Transport Corporation |
| CTC | Calcutta Tramways Company |
| SBSTC | South Bengal State Transport Corporation |
| IRB | Institutional Review Board |
| BOOT | Build Own Operate Transfer |
| NLM | National Library of Medicine |
| NCBI | National Center for Biotechnology Information |
| ICF | Integral Coach Factory |
| NOC | No Objection Certificate |
| CPC | Central Pay Commission |
| TRP | Target Rating Points |
| KFC | Kentucky Fried Chicken |
| CFS | Committee on World Food Security |
| NDA | National Defence Academy |
| DIN | Director Information Number |
| SMS | Short Message Service |
| CMD | Chairman and Managing Director |
| ETA | Estimated Time of Arrival |
| NIC | National Informatics Centre |
| GCP | Google Cloud Platform |
| IB | Imperial Blue |
| IND | India Nuclear Doctrine |
| OFB | Ordnance Factory Board |
| AAA | The Agricultural Adjustment Act |
| ABM | Anti-Ballistic Missile |
| ACAS | The Advisory, Conciliation and Arbitration Service |
| ADIDAS | Adolf Adi Dassler |
| AERB | Atomic Energy Regulatory Board |
| AFNET | Air Force Network |
| AFSPA | Armed Forces Special Powers Act |
| ANCA | Anti-Neutrophilic Cytoplasmic Autoantibody. |
| ANI | Asian News International |
| AOC | Admiral Overseas Corporation |
| APCTT | Asian and Pacific Centre for Transfer of Technology |
| ARDC | Agricultural Refinance and Development Corporation |
| ARTRAC | Army Training Command |
| ASAT | Anti-Satellite Weapons |
| IASC | Indian Army Service Corps |
| ASCON | Army Static Switch Communication Network |
| ASIMO | Advanced Step in Innovative Mobility |
| PSLV | Polar Satellite Launch Vehicle |
| ATGM | An Anti-Tank Guided Missile |
| AVM | Arteriovenous Malformation |
| AVSM | Ati Vishisht Seva Medal |
| AWACS | Airborne Warning and Control System |
| B2B | Business to Business |
| B2C | Business to Consumer |
| BAFTA | British Academy of Film and Television Arts |
| BALCO | Bharat Aluminum Company Ltd. |
| BBC | British Broadcasting Corporation |
| BCCC | Broadcasting Content Complaints Council |
| BI | Business Intelligence |
| BOAC | British Overseas Airways Corporation |
| BP | Blood Pressure |
| C2C | Consumer to Consumer |
| CAA | Citizenship Amendment Act |
| CAIR | Centre for Artificial Intelligence and Robotics |
| CAMPA | Compensatory Afforestation Fund Management and Planning Authority |
| CBFC | Central Board of Film Certification |
| CCTV | Closed-Circuit Television |
| CEC | Chief Election Commissioner |
| CEDAW | Committee on The Elimination of Discrimination Against Women |
| CEO | Chief Executive Officer |
| CFSL | Central Forensic Science Laboratory |
| CGHS | Central Government Health Scheme |
| CHOGRM | Commonwealth Heads of Government Meeting |
| CIIL | Central Institute of Indian Languages |
| CLB | Company Law Board |
| CLSS | Credit Linked Subsidy Scheme |
| CSA | Community Supported Agriculture |
| UPRVUNL | Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited |
| LMRC | Lucknow Metro Rail Corporation |
| UPMRC | Uttar Pradesh Metro Rail Corporation |
| ASP | Additional Superintendent of Police |
| ACP | Additional Commissioner of Police |
| IG | Inspector general |
| PPS | Provincial Police Service |
| JIO | Joint Implementation Opportunity |
| CMAG | Commonwealth Ministerial Action Group |
| COAS | Chief of The Army Staff |
| COD | Cash on Delivery |
| PVSM | Param Vishisht Seva Medal |
| UYSM | Uttam Yudh Seva Medal |
| JCO | Junior Commissioned Officer |
| YSM | Yudh Seva Medal |
| VSM | Vishisht Seva Medal |
| ADC | Aide-De-Camp |
| COMESA | Common Market for Eastern and Southern Africa |
| CPF | Central Provident Fund |
| CPR | Cardio-Pulmonary Resuscitation |
| PSU | Public Sector Undertaking |
| CRISP | Centre for Research and Industrial Staff Performance |
| CRRID | Centre for Research in Rural and Industrial Development |
| CSCAP | Council for Security Cooperation in The Asia Pacific |
| CSCE | Conference on Security and Cooperation in Europe |
| CSD | Canteen Stores Department |
| CVR | Cockpit Voice Recorder |
| CVRDE | Combat Vehicles Research and Development Establishment |
| CWC | Central Warehousing Corporation |
| CWPRS | The Central Water and Power Research Station |
| DAVP | Directorate of Advertising and Visual Publicity |
| DDA | Delhi Development Authority |
| DDS | Doctor of Dental Surgery |
| DDT | Dichloro Diphenyl Trichloroethane |
| DEAL | Defence Electronics Application Laboratory |
| DGCA | Directorate General of Civil Aviation |
| DGCEI | Directorate General of Central Excise Intelligence |
| DGHC | Darjeeling Gorkha Hill Council |
| DGHS | Director General Health Services |
| DGTD | Directorate General of Technical Development |
| DHL | Dalsey, Hillblom and Lynn |
| DIC | Disseminated Intravascular Coagulation |
| DICCI | Dalit Indian Chamber of Commerce and Industry |
| DIPAM | Department of Investment and Public Asset Management |
| DISHA | District Infrastructure Scheme Advisory Committees |
| DMI | Directorate of Marketing and Inspection |
| MOES | Ministry of Earth Sciences |
| DP | Display Picture |
| PRK | Peoples Republic of Korea |
| MNRE | Ministry of New and Renewable Energy |
| DSC | Distinguished Service Cross |
| DST | Daylight Saving Time |
| DVM | Doctor of Veterinary Medicine |
| DWT | Deadweight Tonnage |
| EADS | European Aeronautic Defence and Space Company |
| ECG | Electrocardiogram |
| EDMS | An Electronic Document Management System |
| EEZ | An Exclusive Economic Zone |
| EGOM | Empowered Group of Ministers |
