765 kV Narrow Corridor 1200 kV transformer at Bina 400 kV D/C Line Multi-Circuit Towers 1200kV gantry 1200kV National Test Station-Creating History in Transmission 1200kV Single Circuit D-type tower 1200kV Single phase transformer and 850kV Multi column Surge Arrestor 02320015 big6 Chopper control room jpg control room Gas Insulated Substation IMG_0064_2 IMG_0077 IMG_0133 NER SC line SKP_2744 SKP_2773 SKP_2775 SKP_2972