Maharashtra Housing and Area Development Authority — refund

I have applied for mhada 2018 mumbai draw and could not win.
Still i have not received the refund money from mhada. My application details are as below:

Details of mahada lottery:-
Ref no. : [protected]
Refund money - 50000/-
Scheme code : 360
Category code : gp
Income group code : mig

Draw has opened on dated 16th dec 2018. Already you have taken more than 20 days. Kindly refund my money asap...

I tried to contact to mhada helpline but no one is responding.. Whom to we contact now.. Give my refund asap