Works Contract For Carrying Out Chemical Cleaning /Pickling/ Degreasing/ Passivation Work Of Various Piping And Equipment As Per Eil Standard Specification On Sub -Contract Basis In Connection With The Composite Work For Avu Units (Part A) For Panipat Refinery Expansion Project (P25) Of M/S Iocl At Panipat, Haryana / M/S Located At Panipat, Haryana Work Contract For Carrying Out Chemical Cleaning/Pickling/Degreasing/Passivation Work Of Various Piping And Equipment As Per Eil Standard Specifications On Sub-Contract Basis As Part Of Overall Work Of Avu Units (Part A) Under Panipat Refinery Expansion Project (P25) Of Iocl.