tender for antitracking finishing varnish for auxiliary- generator and field coil oftraction motor. 4601/4603 as per rdso mpmi no.153/92 rev.04 sept.2014. acceptablebrands- 1] epoxy gel coat[red] [elantas-beck] 2] bectol (red)[elantas-beck] 3] dc1-2620 [dow-corning] 4] si 620 [dow-corning]in single pack. 5] ultimeg 2000-372 rh [prs permacel] specn: pac .