Carrying Out Operation & Maintenance Of 5 Nos. 33/11 Kv Sub Station (1.Gangudupalle Ss, 2.Agarala Ss, 3.Panapakam Ss, 4.Rangampeta Ss, 5.Bheemavaram Ss) Round The Clock On Works Contract Basis As Per Scope Of Work In Rural Chandragiri Section, In Rural Division, Tirupati Of (O) Circle, Tirupati For A Period Of 2 Years