Islamic Banking providing home loans

Dear friends

I would like to know which are the banks in chennai offering loans as per the islamic shariah complaint that is without interest. To be in detail the banker should buy the house or land on behalf of us and it should put some profit on the purchased house and sell it to us. In this way paying more amount to the bank becomes legal because we buy the house directly from the bank and it is no more a third party. Please friends i request you all to list out those banks so that i could contact them for further details. Thank You.