Hi,
Just make things simple for you!
1. Deposit both the cheque together and get back with the return note of insufficient fund reason.
2. if returned with reason insufficient fund please arrange to send a notice to the builder with in 15 days of the return and wait for 15 days to reply.
3. If not replied suitably file the case in Court u/s 138 of Negotiable Instruments Act
4. In any other reason for return file a FIR in police U/s 420 & 406 or File a criminal complaint in the same
sections instead in the CJM court.
5. for notice period (15+15) days.
6. for the case depends on court and there is possibility to get the amount with the interest, Loss & expenses.
Thanks