RE-tender (4th call) for augmentation of Substation by (i) addition of 1X50MVA, 132/33kV Power Transformer along with HV & LV bays at 132kV Sanaswadi Substation, (ii) Replacement of 2X25MVA, 220/33kV Power Transformers by 2X50MVA, 220/33kV Power Transformers at 220/33kV Vairag Substation & (iii) Replacement of 1X25MVA, 220/33kV Power Transformer by 1X50MVA, 220/33kV Power Transformer at 220/33kV Bhigwan Substation under Pune Zone.