| AAI | Airports Authority of India |
| ABS | Anti-lock braking system |
| ACP | Assistant Commissioner of Police |
| AM AND PM | Post meridiem |
| AMC | Annual Maintenance Contract |
| APEC | Asia-Pacific Economic Cooperation |
| ASEAN | Association of Southeast Asian Nations |
| ATS | The Anti-Terror Squad |
| BBC | British Broadcasting Corporation |
| BHEL | Bharat Heavy Electricals Limited |
| BHIM | Bharat Interface for Money |
| BIFR | Board for Industrial and Financial Reconstruction |
| BIS | Bureau of Indian Standards |
| BPL | Below Poverty Line |
| CAG | Comptroller and Auditor General of India |
| CC | Carbon copy |
| CEO | Chief executive officer |
| CFO | Chief Financial Officer |
| CGL | Combined Graduate Level |
| CHC | Community Health Center |
| CIA | Central Intelligence Agency |
| CID | Crime Investigation Department |
| CIF | A customer information file |
| CII | The Confederation of Indian Industry |
| CISF | Central Industrial Security Force |
| CITU | Centre of Indian Trade Unions |
| CMA | Credit Monitoring Analysis or Certified Management Accountant |
| CMO | Chief Medical Officer |
| COB | Close of Business |
| COO | Chief Operating Officer |
| CPCB | Central Pollution Control Board |
| CPM | Cost per Mille |
| CRISIL | Credit Rating Information Services of India Limited |
| CRM | Customer relationship management |
| CSR | Corporate Social Responsibility |
| CST | Central Sales Tax or Central Standard Time |
| CTBT | Comprehensive Nuclear-Test-Ban Treaty |
| CTC | Cost To Company |
| CV | Curriculum vitae |
| CVC | Central Vigilance Commission |
| DIG | Deputy Inspector General |
| DRDO | Defence Research and Development Organisation |
| DRI | Directorate of Revenue Intelligence |
| DSC | Digital Signature Certificate |
| DSP | Deputy Superintendent of Police |
| DST | Department Of Science & Technology |
| DTDC | Desk to Desk Courier & Cargo |
| ED | the Enforcement Directorate |
| EPC | Engineering, Procurement and Construction |
| EPFO | Employees’ Provident Fund Organisation |
| ESA | European Space Agency |
| ESI | Employees’ State Insurance Scheme of India |
| ESIC | Employees’ State Insurance Corporation |
| ETA | Estimated time of arrival |
| EWS | Economically Weaker Section |
| FBI | Federal Bureau of Investigation |
| FIR | First Information Report |
| FMCG | Fast-moving consumer goods |
| FSSAI | Food Safety and Standards Authority of India |
| GAIL | Gas Authority of India Limited |
| GDP | Gross domestic product |
| GMT | Greenwich Mean Time |
| GPA | Grade Point Average |
| GSI | Geological Survey of India |
| GST | Goods and Services Tax |
| HAL | Hindustan Aeronautics Limited |
| HR | Human resources |
| IATA | International Air Transport Association |
| IB | Intelligence Bureau |
| ICDS | Integrated Child Development Services |
| ICMR | The Indian Council of Medical Research |
| ICWA | The Institute of Cost and Works Accountants of India |
| ICWAI | Institute of Cost and Works Accountants of India |
| IE | Id est |
| IEC | Importer -Exporter Code |
| IFFCO | Indian Farmers Fertilizer Cooperative Limited |
| IFSC | Indian Financial System Code |
| IG | Inspector general |
| IGST | Integrated Goods and Services Tax |
| ILFS | Infrastructure Leasing & Financial Services |
| IMA | Indian Military Academy |
| IMF | International Monetary Fund |
| IRDP | Integrated Rural Development Program |
| ISI | Indian Standards Institute |
| ISO | International Organization for Standardization |
| KPI | Key Performance Indicator |
| KPO | Knowledge Process Outsourcing |
| KRA | Key Result Area or Key Responsibility Area. |
| LG | Lieutenant Governor |
| LLP | Limited Liability Partnership |
| LOC | Line of Control |
| MFN | the Most Favoured Nation |
| MLA | Member of the Legislative Assembly |
| MNC | Multinational Corporation |
| MSME | Ministry of Micro, Small & Medium Enterprises |
| NAAC | National Assessment and Accreditation Council |
| NACO | National AIDS Control. Organization |
| NASDAQ | National Association of Securities Dealers Automated Quotations |
| NATO | North Atlantic Treaty Organization |
| NCB | Narcotics Control Bureau |
| NCR | National Capital Region |
| NCW | The National Commission for Women |
| NDA | National Democratic Alliance |
| NDRF | National Disaster Response Force |
| NGO | Non-governmental organization |
| NIFTY | National stock exchange FIFTY |
| NMDC | National Mineral Development Corporation |
| NOC | NO OBJECTION CERTIFICATE |
| NRI | Non Resident Indian |
| NSS | National Service Scheme |
| NTPC | National Thermal Power Corporation Limited |
| ONGC | Oil and Natural Gas Corporation |
| PAN | Permanent Account Number |
| PCC | Police Clearance Certificate |
| PCO | Public Call Office |
| PDF | Portable Document Format |
| PIL | Public Interest Litigation |
| PO | Probationary Officer |
| POC | Proof of Concept |
| POS | Point of sale |
| PS | Postscript |
| PSU | Public Sector Undertaking |
| PWD | Public Works Department |
| RAC | Reservation Against Cancellation |
| RAW | Research and Analysis Wing |
| RTI | Right to Information |
| RTO | Regional Transport Office |
| SAARC | South Asian Association for Regional Cooperation |
| SCADA | Supervisory Control And Data Acquisition |
| SDM | Sub Divisional Magistrate |
| SEBI | Securities and Exchange Board of India |
| SENSEX | Stock Exchange Sensitive Index |
| SEWA | SELF EMPLOYED WOMEN’S ASSOCIATION |
| SHO | Station House Officer |
| SIP | Systematic Investment Plan |
| SIT | Special Investigation Team |
| SKU | Stock keeping unit |
| SLA | service-level agreement |
| SME | small and medium-sized enterprises |
| SOP | Standard operating procedure |
| SPSS | Statistical Package for Social Sciences |
| STD | Sexually transmitted diseases |
| SWAT | Special Weapons And Tactics |
| TA AND DA | Travelling Allowance & Travelling Allowance |
| TAN | Tax Collection Account Number |
| TDS | Tax Deducted at Source |
| TGT | Trained Graduate Teacher |
| TIN | Tax Identification Numbers. |
| TPA | Third Party Administrator |
| TRP | Television Rating Point or Target Rating Point |
| UGC | University Grants Commission |
| UIDAI | Unique Identification Authority of India |
| UNDP | United Nations Development Programme |
| UNESCO | United Nations Educational, Scientific and Cultural Organization |
| UNICEF | United Nations Children’s Fund |
| UNIDO | United Nations Industrial Development Organization |
| UNO | United Nations Organization |
| UPA | United Progressive Alliance |
| USP | Unique Selling Proposition |
| WMO | World Meteorological Organization |
| WWF | World Wildlife Fund |
