Finance Minister P Chidambaram has expressed doubt whether any key legislation, would be passed in the current session of Parliament .He told this while Addressing a business conclave in New Delhi today.Later talking to reporters, he said the Finance Bill, Vote-on-Account and Appropriation Bill will be passed. Responding to a query on cut in prices of CNG and PNG ahead of the general elections, Mr Chidambaram said government has not given any sops, but has only rationalised some prices. The Finance Miniser also assured that the red line for fiscal deficit drawn by him 18 months ago will not be breached. Mr Chidambaram also said that when he lays down office, he will leave a more stable economy than what it was two years ago.Stressing that India has the potential to grow at 8-9 per cent for next 20-30 years owing to its demographic advantages and resources, he said anything that comes in the way of growth must be opposed.Our Correspondent reports that India's economic growth estimate for the fiscal 2012-13 has been revised downward to 4.5 per cent, a decade low, from earlier projection of 5 per cent. In the current fiscal too,the Reserve Bank expects the GDP growth to be below 5 per cent.