supply of blind socket housing for inter vehicular couplerblind socket housing for inter vehicular coupler,blind socket housing for inter vehicular coupler 500a, 750v, 3 phase, 50 hz for lhb type coaches confirmi ng to rdso specification no. rdso/pe/spec/ac/0177-2013 (rev.0) with rcf drawing no. lw71341,alt.b or latest. suppl y from rdso approved vendors for ivc only will be accepted. supplier shall submit in house test certificate (material co mposition) & warranty certificate at the time of supply. [ warranty period: 30 months after the date of delivery ] ] senior section engr./charbagh, uttar pradesh 10.00 numbers nr sr. section engineer/ac/amritsar, punjab 3.00 numbers nr