Supertech — flat is sealed

Address: Gautam Buddh Nagar, Uttar Pradesh

Sir i bought a studio flat in march 2013 in supertech czar suite located in great noida and got possession in october 2016. And it got sealed in december 2016 by greater noida authority due to illegal construction. It's 477 sq feet studio flat it was running on rent the time it got sealed. Soniya again a loss for me 9k every month and on top of that property is sealed. I am really suffering because of this and builder doesn't response. I want to get my refund please help and kindly let us know how to proceed further.