supply of rail screws 52 kg 22 mm dia 135 mm long to rdso drg. no. t-10675 with latest alteration if anyconforming to irs - t- 16-81 with corrigendum no. 2 of june, 1997 make:- anjali elastomer or ma taraor sun udyog or bishwakarama engineering note:- sample to be approved by consignee before bulksupply.