Consumer Redressal

Hi, One year back we have given our land to local promoter.Unfortunately the agreement does n\'t have timeline for completion of construction.As per agreement they supposed to provide 4(Four) 1000 sq feed flat and 1(One)850 sq foot flat.The land having a huge stone. They started to cut the stone without getting permission for flat construction.Now as per new law they can\'t construct more than two storey buliding. Now the promoter is telling that they will revoke the agreement but asking for Rs 9 lacs they expended on stone cutting.They are telling that if we don\'t pay the same they will not revoke the agreement and power of attorney will still with them and the land will not be handedover to them. Now we are in a position that we are not able to do anything with the land. Not even sale the land. Please suggest what course of action we can take