East-India military lists.

The Bengal Calendar, for the year 1787 including a List of the Hon. and United East-India Company's Military Servants on the Bengal Establishment, page 281 The European Magazine, and London Review, Volume 11 for 1787 by the Philological Society of London:

1787: https://play.google.com/books/reader?id=0p9nnB5BDesC

1789: https://play.google.com/books/reader?id=s37v1RoCHgMC

The East India kalendar ... Containing complete and correct lists of the Company's civil, military, marine, law, and revenue establishments ....:

1792: https://archive.org/details/b2874844x

Lists of the officers of His Majesty's, and the Hon. Company's troops, serving under the presidency of Bombay. Adjutant General's Office. January 1st. 1798:

https://www.wisepress.com/lists-of-the-officers-of-his-majestys-and-the-hon-companys-troops-serving-under-the-presidency-of-bombay-adjutant-generals-office-january-1st-1798/

A List of the Officers of the Army, Ordnance and Medical Departments, serving under the Presidency of Fort St. George. 1st April 1822: https://books.google.com.au/books?id=uEMIAAAAQAAJ

Madras artillery records [1836-62], 1838:

Band 1: https://books.google.ca/books?id=ij4IAAAAQAAJ

Band 2: https://books.google.ca/books?id=vj4IAAAAQAAJ

Band 3: https://books.google.ca/books?id=E0QIAAAAQAAJ

Band 7: https://books.google.ca/books?id=GD8IAAAAQAAJ

Note: Gale has many more of the period, but you must have on-line access.