3) ALL THAT piece and parcel of residential flat being no. at Holding no. 663 (New) and 873 (Old), 4th Floor, Flat no 412, Block B, Phase-II, Feeder Road (Madhusudan Chowdhury Road). GC Roy Chowdhury Tower, PS- Belgharia, under Kamarhati Municipality, Ward No. 20, Kolkata, Belgharia HO, North 24 Parganas, West Bengal, India 700056. Butted and bounded by: On the North: By 15' wide common passage thereafter Phase I i.e. BN Roy Chowdhury Apartment; On the South By 10 wide proposed road thereafter tank of the other owners. On the West:By vacant land, thereafter railway line: On the East:By Madhusudhan Chowdhury