Amrapali Group — Verona height/ delay in refunds

Address:

208002

I have booked an unit in Bollywood tower in Verona height under subvention plan in July 2015 .I have deposited 10% of the cost but now builder is not providing the said plan while at the time of booking they have checked the eligibility.
Now they are not listening about the refund since last 1year.
Plz help me.
Unit no. H1/803
Regards
Atyl Sinhs