Question

the maintenance of the army became easy for British in India due to

Answer 1

subsidiary alliance

Answer 2

The conservation of the came to be an stress-free task for the British in India due to the strategy of subsidiary alliance. The policy of subsidiary alliance was affirmed by Lord Wellesley,  the British Governor-General in India who chaired between 1798 and 1805. 

Early, during his administration, Wellesley approved a policy of non-intervention in the kingly states, but he later presumed the strategy of establishment of subsidiary alliances.