Bihar government is launching a campaign on December 1 to encourage citizens to voluntarily contribute towards their electricity subsidy, following the model of the central LPG subsidy scheme. Patna: The Bihar government will launch a special campaign from December 1 to allow domestic electricity consumers to voluntarily. Bihar to Launch Voluntary Electricity Subsidy Contribution Campaign from December 1: CM Choudhary - Patna (Bihar) [India]: Bihar Chief Minister Samrat Choudhary has announced a.