supply of metal cutting gas:- bmcg supplied by m/s bharat petroleum corporation limited or nano- cut gas supplied by m/s indian oil corporation limited or hp gas razor supplied by m/s hindustan petroleum corporation limited. [ warranty period: 30 months after thedate of delivery ] , metal cutting gas:- bmcg supplied by m/s bharat petroleum corporation limi ted or nano- cut gas supplied by m/s indian oil corporation limited or hp gas razor supp lied by m/s hindustan petroleum corporation limited. [ warranty period: 30 months after the date of delivery ] [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permit ed: max 8 lacs ] ]