Delhi Development Authority [DDA] — refund of security deposit pending for space allocated for marriage

Address: 110032

Hi, I have booked DDA ground space in East Zone, CBD Shahdara Plot No. 2 for marriage of my sister on 06 Mar'18. The marriage has happened & i have uploaded the marriage certificate as the process to be uploaded for security refund after marriage. Its been more than a month i haven't received my security refund.
Request ID for Booking is - 905744

Please help to get my security deposit as early as possible.