Supply of Choke ( 240 V AC 250 watt ) for 250 Watt HPSV Lamp set against various EHV Sub- Station under EE ( S/ s ) Dn. CSPTCL, Raigarh. Choke 240V 250 Watt for HPSV Lamp set Make:- Havells, Crompton, Bajaj or equivalent 1. 132 KV S/ s Baramkela. 2. 132 KV S/ s Sarangarh.