1. you can file a RERA complaint u/s 18
2. you can either claim full refund and exit from the project OR claim interest and compensation for delay in handover of possession
3. if you decide to remain in the project then you can claim interest from the stipulated date of possession as stated in your agreement upto the actual handover of possession
4. the stipulated period for handing possession would be expiry of 30m + 6 m grace from date of your agreement
5. RERA provides interest @ Highest Marginal lending rate of SBI + 2% which comes to about 10% approx. depending on the lending rate of SBI
6. You can also claim compensation from builder if you can show to the court the losses incurred by you due to delay in handover of possession
7. if you do not wish to continue in the project then you can get full refund of all moneys paid to builder plus the registration fee plus interest paid on home loan plus service tax. All these would be refunded to you with interest
8. it is not clear if you can get refund of stamp duty as the same is paid in your name and you can apply to the collector for refund due to cancellation of agreement
9.you can file the RERA complaint right away. Its not that if you file a complaint the builder will further delay the possession. In fact he may also give you sooner possession, provided he has a valid OC