Pirpainti Bijlee Company Private Limited · Lakhisarai Bijlee Company Private Limited · Kashmir Power Distribution Corporation Limited · Bengal Birbhum Coalfields Limited · Bihar State Beverages Corporation Limited · Bihar State Hydro Electric Power Corporation Limited · Bihar Grid Company Limited · Bihar State Power (Holding) Company Limited · Bihar State Power Generation Company Limited · Kanti Bijlee Utpadan Nigam Limited · Nabinagar Power Generating Company Limited · South Bihar Power Distribution Company Limited · North Bihar Power Distribution Company Limited · Energy Efficiency Services Limited · Bihar State Power Transmission Company Limited · Bihar Infrapower Limited · Bihar Mega Power Limited · U31908 Dl2007 Ptc163006 · U31908 Dl2007 Ptc163008