Rupani Substation with Double Bus System placed at Rupani of Saptari disnict,Sagarmatha Zone feeds Power to Rajbinii. Bodebarsain, Balardah and Rupani. ThisSubstation is connected with Duhabi Sustation and Lahan Substation through Double Circuit 132 KV line the line 2 is Connected up to Duhabi Substation through Kusaha switching station. This Substation become commissioned in 2019 with 132/33kV, 63MVA capability.