I have booked flat in under construction building in the year of 2022 at Kalyan East Thane Maharashtra, the building under RERA registered, after completion of 45% from builder office I got call for registration I did my flat registration in August 2022 and took 90 % home loan for the flat cost . as per demand latter by builder I have pay 45% of amount to the bulider in August 2022, Last month December 2023 building work 90% completed and builder rise a demand latter of 90% of amount of flat cost so I have submitted same latter in bank and bank approved 90% amount and transfer to builder. The bulider promise me to he will give falt to March 2024 and he demand 10% of balance account same time. And also provide section latter same time, but yesterday some rape case registered on bulider and as per news he escape and police searching him. How I cam get my flat kindly please advise.