4) All that partand parcel of entire first floor consisting of two flats being Flat No. 1 Ahaving covered area 600 sq.ft. and super built up area 750 sq. ft. more or less and Flat No. 1B having covered area 600 sq. ft. and super built up area 750 sq. ft., more or less both flats having Total covered area 1200 sq. ft. more or less and super built up area 1500 sq. ft. more or less in the Apartment known as Samnidhi together with undivided proportionate share and interest in the land underneath the building measuring about more or less 3 Katha 8 Chittak 18 sq. ft. situated at Mauza- Kalua, Pargana - Magura, J. L. No. 22, R.S. No. 336, Touzi No. 58, CS & RS Dag No. 375 under CS Khatiyan No. 10, corresponding to RS Khatiyan No. 914, LR Dag No. 436 corresponding to LR Khatiyan No. 7436, P. S. Haridevpur (Formerly Thakurpukur), ADSR at Behala, District - South 24 Pargana, Premises No. 88/6, Srijani, Kolkata-700104 within the limit of Ward No. 143, Kolklata Municipal Corporation. Bounadriies of the Building: On the North: By Part of RS Dag No. 375, On the South: By RS Dag No. 377, On the East: By R. S. Dag No. 376 & RS Dag No. 375, On the West: 12 feet wide Common Road.