tender for upper flange of uic vestibule bellow rdsos sk no.99056 alt no.3,consisting of item no. 2,5,8 -13 assembled condition and rdso s spec. no. rdso/2007/cg-05 with 5 amendments - last amendment slipno.5 of august 2016 with corrigendum - 1 of may 2015 and corrigendum - 2 of june 2015.