Liquefied Petroleum Gas (Lpg) For Metal Cutting Gas As Per Is:4576/1999 (Reaffirmed 2009) Fill Ed In 19 Kg Capacity Firms Cylinder On Door Delivery Basis As And When Required By Sse/C&W/Dkj. The Cyli Nder Will Be Returned As And When Become Empty, By Railways To Firmand The Empty Cylinders To Be Co Llected By The Firm. [ Warranty Period: 30 Months After The Date Of Delivery ] ]