CA Chartered Accountant
CABE Central Advisory Board of Education
C & AG Comptroller & Auditor General
CAIR Centre for Artificial Intelligence and Robotics
CAPART Council for People's Action and Advancement of Rural Technology
CAPES Computer-Aided Paperless Examination System
CAD Command Area Development
CARE Cooperative for American Relief Everywhere
CAG Comptroller and Auditor General
CASE Commission for Alternative Sources of Energy
CAS Chief of Army Staff; Chief of Air Staff; Conditional Access System
CAT Centre for Advanced Technology
CAZRI Central Arid Zone Research Institute
CB Citizen Band (Radio)
CBI Central Bureau of Investigation
CBSE Central Board of Secondary Education
CCEA Cabinet Committee of Economic Affairs
CCS Cabinet Committee on Security
CCIC Central Cottage Industries Corporation
CBFC Central Board of Film Certification
CCPA Cabinet Committee on Political Affairs
CD Conference on Disarmament
C-DAC The Centre for Development of Advanced Computing
CDMA Code Division Multiple Access
CDRI Central Drug Research Institute
CDS Compulsory Deposit Scheme
CDAC The Centre for the Development of Advanced Computing
CECA Comprehensive Economic Cooperation Agreement
CEF Commonwealth Equity Fund
CERN European Organisation for Nuclear Research (Pronounced CERN in French)
CFC Chloro Fluro Carbon
CFS Container Freight Station
CHEER Children's Enrichment Experiment through Radio
CHOGM Commonwealth Heads of Government Meeting
CIA Central Intelligence Agency (of U.S.A.)
CIBIL Credit Information Bureau (India) Ltd
CIC Chief Information Commissioner
CID Criminal Investigation Department
C-in-C Commander-in-Chief
CIF Cost, insurance and freight
CIS Commonwealth of Independent States
CISF Central Industrial Security Force
CITES Convention on International Trade in Endangered Species
CITU Centre of Indian Trade Unions
CLASP Child Labor Action and Support Project
CLASS Computer Literacy and Studies in Schools
CLAT Common Law Admission Test (Started May 2008)
CLAWS Centre for Land Warfare Studies
CM Command Module; Chief Minister
CMP Common Minimum Programme
CNG Compressed Natural Gas
CNN Cable News Network
CNS Chief of the Naval Staff
CO Commanding Officer
COD Central Ordnance Depot; Cash on Delivery
COFEPOSA Conversation of Foreign Exchange and Prevention of Smuggling Act
CONCORD Council for North Indian States for Cooperation and Regional Development
CPCB Central Pollution Control Board
CPI Communist Party of India
CPI(M) Communist Party of India (Marxists)
CPU Central Processing Unit
CPO Central Passport Organisation
CPRI Central Power Research Institute
CR Central Railway
CRAC Cyber Regulation Advisory Council
CRDI Credit Rating Information Services of India Limited
CRM Customer Relationship Management
CRR Cash Reserve Ratio
CRPF Central Reserve Police Force
CSIR Council of Scientific and Industrial Research
CSO Central Statistical Organisation
CTBT Comprehensive Test Ban Treaty
CTO Central Telegraph Office; Central Tractor Organisation
CTS Computerized Tomography Scanner
CTT Commodities Transaction Tax
CVC Central Vigilance Commission
CVRDE Combat Vehicles Research and Development Establishment