britishers took all our wealth and stored in their country should they return back to our country india

The Britsh exploited our nation and impoverished it within two centuries of their rule. However, now it is actually not possible for them to return the wealth to India as they themselves have grown economically weak. Further, there is no actual records of how much money was plundered from India by Britain. 

We would recommend you to visit the following link. In his speech Shashi Tharoor asks if Britain owes any reparations to India.......

https://www.youtube.com/watch?v=f7CW7S0zxv4