supply of refilling (supply) of gas ultra-pure hydrogen iolar gr-i,refilling (supply) of gas ultra-pure hydrogen iolar gr-i,,refilling (supply) of following gases at dls /kzj.1) gas ultra-pure hydrogen iolar gr-i, qt y.required- 35 cubic meters,2) gas ultra-pure nitrogen iolar gr-i,qty.required- 35 cubic meters 3)gas ultra-pure zero air lolar gr-i,qty.required- 35 cubic meters. note: 1) each cylinder consists of 7 cubic meters,2) material to be supplied along with purity and peso certificates for cylinders. [ warranty per iod: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]