Delhi Development Authority [DDA] — refund of registration amount

Address: New Delhi, Delhi, 110054

Sir, i had applied dda lig flat and the same has been allotted to me, but due to some domestic reasons i was unable to takeover the flat and i had applied for surrender/ cancellation of the allotment. Still, after 2 moths of my application of surrender of allotment, i haven't received the registration amount. Request to do the refund on urgent basis as the money required for some personal need. Thank you. My allotment details are as follows,
Application no. 715491
Name of allottee - shyam lal
Email id - [protected]@gmail.com
Flat no. 1238
Sector - g-7
Pocket - pocket - v
Block - g
Floor - twelfth
Category - lig
Locality - narela

Regards
Shyam lal