Design, Supply, Erection, Testing & Commissioning of 25 kV, 50 Hz, Single Phase, AC Electrification OHE work in (1) NRL(POL) siding at RNI; (2) BPMS Military siding at RNI under KIR Div; (3) NTPC TPP siding at Salakati under APDJ Div of N.F. Railwa