| Subject | Email-Address |
|---|---|
| Accountancy | aoacc@nios.ac.in |
| Bhartiya Culture & Heritage | aobch@nios.ac.in |
| Biology | aobio@nios.ac.in |
| Business Studies | aobs@nios.ac.in |
| Commerce | aocommerce@nios.ac.in |
| Computer Science | aocs@nios.ac.in |
| Chemistry | aochem@nios.ac.in |
| English | aoeng@nios.ac.in |
| Economics | aoeco@nios.ac.in |
| Geography | aogeo@nios.ac.in |
| Hindi | aohindi@nios.ac.in |
| History | aohistory@nios.ac.in |
| Homescience | aohomesc@nios.ac.in |
| Mathematics | aomath@nios.ac.in |
| Political Science | aopol@nios.ac.in |
| Physics | aophy@nios.ac.in |
| Psychology | aopsy@nios.ac.in |
| Social Science | aoss@nios.ac.in |
| Sociology | aosoci@nios.ac.in |
| Science | aosc@nios.ac.in |
| Sanskrit | aosans@nios.ac.in |
| Urdu | aourdu@nios.ac.in |
