supply of carbon brush for high capacity traction motor type tm 4303 by / dy etc.carbon brush for high capacity traction motor type tm 4303 by / dy etc., carbon brush for high capacity traction motor type tm 4303 by / dy of bhel make for emu / me mu motor coaches, grade: m / s asam carbon product- eg14d ( i ) ( imported / indigenous ) , m / s mersen india pvt. ltd.- eg-6754 ( indigenous ) and iws industrial products - ipeg 4ld ( indigenous ) . as per as per ( 1 ) mp.0.2400.60 ( rev.05 ) , nov 2018 m / s. ( 2 ) bhels drawing no. 3 439 20 28 001 ( rev-09 ) . [ warranty period: 30 months after t he date of delivery ]