Fabrication & supply of item no. (i) 6400 mm over riding (curved) of item switch for 1 in 8.5 turnout for bg 52kg on psc sleepers to rds drg. no. t-4866 (as amended upto date) complete with stock rails and check rails and all parts as listed in the drawing but excluding grooved rubber sole plates, insulating lines, elastic rail clips, plate screw, fish plates and fish bolts, item no. (ii) 6400 mm over riding (curved) switch for 1 in 8.5 turnout for bg 60kg (uic) on psc sleepers to rdso drg. no. t-4966 (as amended upto date) complete with stock rails and check rails and all parts as listed in the drawing but excluding grooved rubber sole plates, insulating liners, elastic rail clips, plate screw, fish plates and fish bolts, item no. (iti) 10125 mm over riding (curved) switch for 1 in 12 turnout for bg 52kg on psc sleepers to rdso drg. no. t-4733 (as amended upto date) complete with stock rails and check rails and all parts as listed in the drawing but excluding grooved rubber sole plates, insulating liners, elastic rail clips, plate screw, fish plates and fish bolts, item no. (iv) 10125 mm over riding (curved) switch for 1 in 12 turnout for bg 60kg (uic) on psc sleepers to rdso drg. no. t-4219 (as amended upto date) complete with stock rails and check rails and all parts as listed in the drawing but excluding grooved rubber sole plates, insulating liners, elastic rail clips, plate screw, fish plates and fish bolts.