NCP chief and union agriculture minister Sharad Pawar’s support for the recent hike in petrol prices on Sunday must have sounded like music to the UPA government’s ears. Not only has the government been criticised for the Rs 1.82 increase per litre of petrol by the opposition, but even the related stories Rich oil firms turn the screws on aam aadmi UPA’s biggest partner Mamata Banerjee’s Trinamool Congress — which has 18 MPs in the Lok Sabha — has threatened to withdraw support over the hike.