Construction of combined gos mess for shq and bn hq, sos mess with 21 suit, 01 no. 120 mens barrack, mi room (10 bedded), magazine building for bn hq at klp raipur under shq bsf raipur and hangar for bsf at swami vivekanand airport (additional or extra work) including water supply, sanitary installation , drainage and electrical installation.