This discussion clarifies the legal definition of 'possession' for apartments, distinguishing it from 'legal possession' and highlighting its association with a specific date, often the registration or ownership transfer date. It addresses situations where builders haven't formally scheduled a possession date, explaining that it typically refers to the physical handover of keys. The conversation also delves into RERA norms, particularly the five-year builder guarantee period, and how its commencement date is determined, especially when formal handover documentation is lacking.