supply of retro-fitment/mounting , retro-fitment/mounting of (a) modified junction box with revised speed sensor cable and (b) retro fitment of additional water filling arrangement at pryj & cnb coaching depot as per rdso l.no. mc/ lhb/brake, dt. 02.05.25 with rdso specification no. rdso/cg/m/25002 and coach alteration instruction - cai/rcf/mech/lhb/061 respectively. details scope of work attached as annexure-1 & 2. spare parts for ret o fitment of additional side filling arrangement will be supplied by the railway as per drawing only. other re quired parts/items, tools, consumables and manpower for both a & b work shall be arranged by the firm. [ warranty period: 30 months after the date of delivery ] ]