India's economy didn't get a boost because there was practically no industrial policy. British authorities would get their raw materials at gunpoint from the colonies, ship it to Britain for processing, and then ship the finished goods back to colonies (which were artificially shielded from the international markets).
Before getting absorbed by East India company, some native kingdoms/empites did start with modernizing their military which indicates there would be a strong effort towards industrialization if it weren't for the British regulations.
Before getting absorbed by East India company, some native kingdoms/empites did start with modernizing their military which indicates there would be a strong effort towards industrialization if it weren't for the British regulations.