Tender For supply of contact segment assembly for 1500 amp. capacity commutator switch (ctf1 & ctf2) 'c ' type to clw's drg. no. 3twd.101.109 (sheet - 1) (alt. - 5) & 3twd.101.109 (sheet - 2) (alt. - 2). [ wa rranty period: 30 months after the date of delivery ]