| | Surname | Trotter |
| | First Name(s) | John (1st) |
| | Date of Rank as Writer | 1808, May 8 |
| | Execution of Covenant | 1808, Mar 30 |
| | Notification of appointment from the Honorable the Court of Directors | 1808, April 27 |
| | Arrived in India | 1808, Oct 24 |
| | Date 5 | 1811, Aug 8: Assistant to the Secretary to Government in the Public Department. |
| | Date 6 | 1812, Dec 12: Deputy Military Pay-Master General and Accountant, and Pay-Master of Extraordinaries. |
| | Date 7 | 1813, Feb 1: Head Assistant to the Import Warehouse-Keeper. |
| | Date 8 | 1816, Jan 20: Member of the Committee to report on the Subject of landing the Iron Bridge, received from England for the Nabob of Lucknow. |
| | Date 9 | 1818, Dec 19: Officiating Superintendent of Government Lotteries at Calcutta. |
| | Date 10 | 1819, Jan 8: Superintendent of Government Lotteries at Calcutta. |
| | Date 11 | 1820, Mar 10: Officiating Collector of Calcutta Ground Rent. |
| | Date 12 | 1821, July 8: Naval Store-Keeper. |
| | Date 13 | 1822, Dec 31: Mint-Master at Calcutta. |
| | Date 14 | 1826, Jan 12: Secretary to the Board of Customs, Salt and Opium. |
| | Date 15 | 1826, Feb 2: Secretary to the Marine Board. |
| | Date 16 | 1828, Feb 6: Proceeded to Europe on Furlough. |
| | Date 17 | 1829, Dec 6: Returned to India. |
| | Date 18 | 1829, Dec 29: Acting Post-Master General. |
| | Date 19 | 1830, Jan 27: Acting Commercial Resident and Opium Agent at Benares. |
| | Date 20 | 1830, Feb 23: Commercial Resident at Benares. |
| | Date 21 | 1830, Dec 28: Commercial Resident at Etawah and Calpee. |
| | Date 22 | 1833, April 19: Opium Agent at Benares. |
| | Date 23 | 1838, June 6: Officiating Member of the Board of Customs, Salt and Opium, and of the Marine Board. |
| | Date 24 | 1838, Sept 17: Temporary Junior Member of the Board of Customs, Salt and Opium, and of the Marine Board. |
| | Date 25 | 1838, Nov 14: Second Member of the Board of Customs, Salt and Opium, and of the Marine Board. |
| | Date 26 | 1841, Nov 10: Officiating Senior Member of the Board of Customs, Salt and Opium, and of the Marine Board. |
| | Date 27 | 1842, Jan 13: Senior Member of the Board of Customs, Salt and Opium, and of the Marine Board. |
| | Date 28 | Retired on Annuity, February 1st, 1842. |