Topic-wise question banks for OPSC (OAS) Mains, built around the previous year papers. Every question that has actually been set is reproduced as printed, with the year, paper and marks against it.
| Bank | Paper | Questions | Previous year |
|---|---|---|---|
| History, Geography & Society | GS-I | 829 | 430 |
| Polity & Governance | GS-II | 787 | 283 |
| Economy, Environment, Science & Security | GS-III | 681 | 339 |
| Ethics, Integrity & Aptitude | GS-IV | 403 | 383 |