INDIA OR HINDUSTAN was a region EAST OF RIVER INDUS BRORDERD BY HIMALYAS ON THE NORTH AND THICK UNIHABITTABLE JUNGLES IN THE EAST where there were many petty kings fighting with each other who were trying to acquire neibouring kingdoms... NOONE OF THE INDIAN KINGODMS HAD MORE THAN 5 YEARS OF PEACE AT ANY TIME IN HISTORY WITHOUT ATTACKING THE NEIGBHOUR... For 1500 years the petty kings were fightig with each other preventing and progress...
Muslim invaders AND BRITISH took this opportunity and acquires vast expanses of land with the smaller kingdoms still fighting with each other 'ACCEPTING THE OVERALL CONTROL OF MUGHALS AND BRITISH)..