Builders hide charges till the very end, it's fraud

Sector 117 mein Arihant Group ka project dekha tha, downsizing ke liye. Kids toh ab bade ho gaye. Possession se pehle ab builder ne ₹5 lakh ke extra charges maang liye - maintenance deposit, club membership, PLC. Brochure mein toh aisa kuch nahi tha. Yeh hidden charges ka kya karein? Aur kisne face kiya hai yeh?