| Surname | Ravenshaw |
| First Name(s) | Edward Cockburn |
| Date of Rank as Writer Writer | 1822, April 30 |
| Execution of Covenant | 1822, Feb 21 |
| Notification of Appointment from the Honourable Court of Directors | 1822, Mar 13 |
| Arrived in India | 1822, Aug 20 |
| Date 5 | 1823, Feb 7: Second Assistant to the Secretary to Government in the Secret and Political Department. |
| Date 6 | 1824, Jan 1: Assistant to the Secretary to Government in the General, Foreign and Commercial Departmentn. |
| Date 7 | 1824, June 20: First Assistant to the Secretary to Government in the Secret and Political Department. |
| Date 8 | 1826, Aug 6: Assistant to the Political and Persian Secretary with the Governor General. |
| Date 9 | 1827, Nov 23: Second Assistant to the Resident at Hydrabad. |
| Date 10 | 1827, Dec 14: First Assistant to the Resident at Hydfrabad. |
| Date 11 | 1838, Oct 11: Officiating Deputy Secretary to Government in the Territorial Department. |
| Date 12 | 1830, July 2: Acting Resident at Hydrabad. |
| Date 13 | 1830, Oct 13: Deputy Secretary to Government in the Secret and Political Department. |
| Date 14 | 1831, Dec 20: Acting Magistrate and Collector of the Northern Division of Moradabad. |
| Date 15 | 1832, Feb: Collector and Magistrate of the Northern Division of Moradabad. |
| Date 16 | 1834, Jan 6: Proceeded to Europe on Furlough. |
| Date 17 | 1836, Nov 4: Returned to India. |
| Date 18 | 1836, Nov 29: Officiating Magistrate and Collector of Burdwan. |
| Date 19 | 1836, Dec 13: Officiating Additional Judge of Burdwan. |
| Date 20 | 1837, Jan 17: Additional Judge of Patna and Sessions Judge for the Trial of all Commitments of Thugs, &c, by Captains Ramsay and Lowis at Chuprah and Moorshedabad. |
| Date 21 | 1837, Oct 20 and 1837, Nov 18: Acting Commissioner of Revenue and Circuit in the Patna Division. |
| Date 22 | 1838, Sept 26: Member of the Local Committee of Public Instruction at Chuprah. |
| Date 23 | 1840, Mar 13: Commissioner of Revenue and Circuit in the Patna Division. |