What were the policies adopted by the British to take control of the Indian princely states

What were the policies adopted by the British to take control of the I

1.	What were the policies adopted by the British to take control of the Indian princely states
Answer» tion:Doctrine of lapse was the pro-imperialist APPROACH to expand the realm of British Kingdom in India. It was introduced by Dalhousie. The Doctrine equipped with an IDEA to annex those states which have no heir, get lapsed the right of ruling and it will not REVERTED by adoption