This article is written in Indian English, which has its own spelling conventions (colour, travelled, centre, analysed, defence), and some terms that are used in it may be different or absent from other varieties of English. According to the relevant style guide, this should not be changed without broad consensus.
Valid references show (see List of countries by number of troops) that Indian army is the world's third largest army after United States and China. The article should reflect the correct information. Users are requested to investigate it further and If I am wrong, undo my edits. Its also the world fourth strongest military in the world.