Tender For corrigendum : supply of traction braking switch drum type ctf 1,2,3 high capacity 1500 amps for 6p operationof g5/g7/p4 locos. one set comprising of ctf1- one no,ctf2- one no, & ctf3- one no. as per specn no.4tts.101.005 (a) alt-8 rdso smi no.elrs/smi/0234 rev.0, ctf1 & ctf2 drg.no.1twd.103.001 alt-6 & ctf3 drg no. 1twd.103.028 alt-6 [ warranty period: 30 months after the date of delivery ]