supply of electrical items for different r.l.i schemes under assistant engineer ( a-m ) balagarh ( a-m ) sub-division under chinsurah ( a-m ) division under non plan programme-1.01 supply of starter-20 hp oil immersed (manually operated heavy duty star/ delta oilimmersed starter with 12nos. fixed and 6 no. moving contacts with three magnetic over load relay with adjustable oil dashpot time lags and under voltage release suitable for use with 380/415 v, 3 phase, 50 hz ac supply conforming to is: 13947(part-4) sec - 1/1993 (suitable for 17.5/20hp pump motor set) 1.02 supply of switch fuse unit, isi marked, is 60947- 63 amps 415 volts a.c. tpn main switch. (isi marked) 1.03 supply of bus bar chambers (as per approved existing dre=awings) is-60947- 200 amp