Question

Why were the boundary of several old states of india change in 1947?

Answer 1

because of India Pakistan division
firstly indian important states were divided in half to Pakistan and half to India by Mahatma Gandhi but in between it wasn't possible of division and Bangladesh was also given to Pakistan but Bangladesh wanted to be own free so they aren't part of today's Pakistan

Answer 2

FEDERALISM is practiced in India by, The creation of Linguistic States was the first and a major test for democratic politics in our country. In 1947, the boundaries of several old States were changed in order to create new States. This was done to ensure that people who spoke the same language lived in the same State.