Godrej Interio — incomplete order delivery

Address:	Habsiguda, 500007
Website:	www.godrejinterio.com/Godrejinterio/index.aspx

I have placed my order with hitech city branch habsiguda. I was promised a modular kitchen and replacement of full wall tiles.
I had a lot of trouble in getting order status, payment receipts.
Today they have come for installation, they say, i would not get chimney as i was promised at the tile or order confirmation.
They also agreed to change all tiles on the wall and now they disagree to this agreement. I had agreed to make payment for the same.
A few mins ago i was talking to in charge of my order and he started shouting at me, he mentioned tiles replacement is not the work he is doing it for my benefit. I still am trying to understand my benefit, but i need help immediately. They are making changes to commitments made at the time of order and i am helpless... They have taken all the order amount.