Day to Day Maintenance of Power Transformers 33 KV and 11 KV VCBs Switchyard Isolators and Other Substation Equipment at 33 11 KV Central Substation Balanda under GM Unit Jagannath Area as and when required for 730 Days Day to Day Maintenance of Power Transformers 33 KV and 11 KV VCBs Switchyard Isolators and Other Substation Equipment at 33 11 KV Central Substation Balanda under GM Unit Jagannath Area as and when required for 730 Days