Delhi Development Authority [DDA] — not getting refund

I have applied on dda awasiya yojna 17 and my form no is 2004595 dated[protected], i am not the sucess ful candidate and as per dda notofication they will refund money with in one month but after 3 month of draw still i am not recieved my refund of 200000/- for same. Even also no communication for same.
Let me know when i will get the same
Regards
Latika