Sare Homes — Deducting PEMI from last 2 years without our knowledge & without our consent

Hiii I have invested & bought a flat in Sare Homes Spring view heights in ghaziabad in 2016 Dec but till now no possession has been given...all the commitments which they have committed - all failed...from last 2 years i am paying PEMI interest - there is no response from Sare Homes - they have cheated BIG Times - can somebody help in my case - is there anyone who can help us...i dont want this flat now - plz return my money - i am loosing my hard earned money & paying interest which Sare Homes has to pay - Noone is contactable there...Mr KN Singh was there but he is also not picking up my calls - KUCH SAMJH NAHI A RAHA HAI...KYA KARU