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Hot Strip Mill (HSM) in Jindal Vijayanagara Steel Limited (JVSL), Toranagallu, Bellary (Dist.), Karnataka is facing a problem such as shorter campaigns, improper strip profile, reduced productivity and increased roll cost. The main cause of these problems is an ineffective work roll and backup roll cooling system for roughing stands. An attempt has been made to design the existing system in terms of number and flow rate of nozzles, nozzle angle and orientation and thermal gradient for various rolling schedules.