BOC India Ltd has signed a long-term contract with Jindal Stainless Ltd (JSL) for the installation of an air separation unit on a hire basis at their steel works at Kalinganagar Industrial Complex at Duburi in Orissa and for operation and maintenance of the said plant to provide 300tns/dy of gaseous oxygen, 70tns/dy of gaseous nitrogen and 55tns/dy of gaseous argon to them.