1. You cannot claim relief under rera since you are not allottee but an investor
2. Also suit under Mofa is not tenable since you are not a flat purchaser but an investor
3. You will have to file a summary suit in high court since builder has admitted his liability by giving you PDC
4. For the cheque bounce you can file 138 complaint with magistrate court. But the court fees is 2% of claim amount which is very high
5. So file a summary suit
6. Another option is a commercial suit for recovery of money
7. The Bombay High Court has passed an order on a similar matter in which relief was given to Plaintiff who had also been cheated by a builder by agreeing to allot flats which were already presold prior to the MOU between Plaintiff and builder
8. One more option is to file a complaint with economic offences wing. But the claim for filing such complaint is Rs 3 crores and above. But nevertheless you can file a police complaint against builder for cheating