A property redevelopment project in Mumbai, initiated in 2009, remains incomplete after 12 years, with the developer failing to hand over flats and cease rent payments for alternate accommodation. The building has illegal floors, lacks necessary approvals from BMC, and the developer is pressuring heirs to sign a backdated supplementary agreement. Legal advice suggests pursuing action through the District Consumer Forum or RERA for deficiency in service, rather than terminating the agreement. Consulting a local lawyer is recommended to explore options like specific performance or filing a consumer complaint.