India, Oct. 9 -- As many as seven employee unions of all three government-run power companies of Maharashtra are going on a three-day strike beginning Thursday midnight. This may impact supply in Mumbai's eastern suburbs and elsewhere in the state where the companies provide electricity.

The unions are opposing restructuring of departments, parallel licensing to private companies and tariff-based competitive bidding, which they say will hasten privatisation of the sector.

The unions going on strike are: Maharashtra State Electricity Workers Federation, Maharashtra Electricity Workers' Mahasangh, Subordinate Engineers Association, Maharashtra State Electricity Workers Congress, Maharashtra State Backward Electricity Workers Sangathana, M...