By Product package of Battery No. 7 & 8 has been announced and SAIL/ BSP hereinafter referred to as “Employer” invites tenders from eligible bidders for “Replacement of By-Product Plant Equipment (Pkg-3) under Rebuilding of Coke Oven Battery No. 7 & 8 in Coke Oven & Coal Chemicals Deptt.” on divisible turnkey basis.