| Abbreviation | Definition |
|---|---|
| c&b | caught and bowled |
| C&E | Cause and Effect |
| C&EA | Cause and Effect Analysis |
| C&S | Culture and sensitivity |
| C-1 | 1st Cervical Vertebra |
| C-2 | 2nd Cervical Vertebra |
| C-3 | 3rd Cervical Vertebra |
| C-4 | 4th Cervical Vertebra |
| C-5 | 5th Cervical Vertebra |
| C-6 | 6th Cervical Vertebra |
| C-7 | 7th Cervical Vertebra |
| C-DAC | Centre for Development of Advanced Computing |
| C-DIT | Centre for Development of Imaging Technology |
| C-DOT | Centre for Development of Telematics |
| C-SECTION | Cesarean Section |
| C-ZRO2 | Cubic ZIRCONIUM DIOXIDE |
| C.A.B.E. | Central Advisory Board of Education |
| C.B.E. | Central Board of Education |
| C.C.E. | Child Centred Education |
| C.DOT | Center for Development of Telematics |
| C.E.C. | Chief Election Commissioner |
| C.E.O. | Circle Education Officer |
| C.H.T. | Centre Head Teacher |
| C.I.I.E. | Central Institute of of Indian Education |
| C.I.S.E. | Council for Indian School Certificate Examination |
| C.N.G. | Compressed Natural Gas |
| C.P.I. | Communist Party of India |
| C.S.R. | Civil Service Rules |
| C.S.S. | Common School System |
| C.T.U. | Chandigarh Transport Undertaking |
| C/N | Carbon to Nitrogen ratio |
| C/O | Care Of |
| C/O | Carried Over |
| C/O | Complaints Of |
| C02 | Carbon Dioxide |
| C4I | Command, Control, Communications, Computers, and Information |
| CA | Chartered Accountant |
| CA | Calcium |
| CA | Carbon Alpha |
| CA | Clear All |
| CA | Conditional Access |
| CA | Cancer |
| CA | Carcinoma |
| CA | Cardiac Arrest |
| CA | Caucasian Adult |
| CA | Chronological Age |
| CA | Cooley's Anemia |
| CA | Coronary Artery |
| CA | Cancer Associated |
| CA | Cancer Antigen |