(British) Army List - 29 September 1877

Starting at column 21a is the list of General Officers of the Bengal, Madras and Bombay Armies. Column 71 notes H N REEVES of the Bombay S. C. promoted to Major on 4 January 1877

Starting column 544 is the listing of the Bombay Staff Corps, and in column 549 Henry Nicholas Reeves is listed as Major from 4 January 1877

Source

(British) Army List - for October 1877, columns 71 & 549