Supply, Design, Manufacture, Dismantlement, Erection, Testing, and Commissioning of Numerical Low Impedance Bus Bar Protection Scheme (De-centralized / Centralized Configuration) along with mandatory spares one each for 132KV Bus Bar at Ganguwal Power House, 132KV Bus Bar at Kotla Power House, 66KV Bus Bar and 220KV Bus Bar at Bhakra Left Bank Power House, BBMB, Nangal (EXPIRED)