Lodha Group — Not refunding my token amount

Address:

Mumbai City, Maharashtra, 400607

I had booked a flat in thane, pre launch property by Lodha for which i gave cheque of 54000 thousand rs but after launching the rate of the flat was different from what they have given me before so i told to cancel my booking and refund my amount but now they r not willing to return, after taking booking they launch the rate after 1 month and now I wnt my money back they r not giving it