Tenders for Carrying Out Operation & Maintenance Of 3Nos. 33/11 Kv Sub Station 1.Nadavalur 2.Nethukuppam 3.Venkatramapuram Round The Clock On Works Contract Basis As Per Scope Of Work In Rayalacheruvu Section, In Operation Division, Puttur Of O Circle, Tirupatifor A Period Of 2 Years. Manning Of Ss Rayalacheruvu