Bombay Stock Exchange has revised the composition of its key indices BSE-100, BSE-200, BSE-500, the BSE-tech indices and BSE-sectoral indices.The changes would come into effect from January 8, 2007.Ten companies were excluded from the BSE-100 index and have made way for Reliance Petroleum, Unitech, Videocon, Essar Oil, Dabur and Indiabulls Financial Services among others.Corporate biggies such as Jet Airways, Tata Teleservices (Maharashtra), Nicholas Piramal, Lupin and Petronet LNG Ltd have dropped out of the list. The other exclusions are Andhra Bank, Bharat Earth Movers Ltd, Raymond and Wockhardt.As per revision in sectoral indices, Reliance Petroleum will be included in the oil and gas sector, Suzlon Energy in capital goods, United Breweries in FMCG and Tech Mahindra in information technology of BSE-Tech sector.Major exclusions from sectoral indices include Karnataka Bank and Vijaya Bank from Bankex, Nirma from FMCG, Aban Offshore from oil and gas and Ispat industries from metal, metal products and mining.The exclusions from BSE-200 include Glaxosmithcline, NDTV, Novartis, Syndicate Bank and UCO Bank. Reliance Petroleum, Sun TV, Mahindra Gesco and Maharashtra Seamless have taken their place in the index.The BSE-500 index would see the expulsion of Mid-day Multimedia, Saregama India, Simbhaoli Sugars and Rallis India.Major inclusion to this index are Deccan Aviation, Action Construction, GMR Industries, Unity Infraprojects and Venus Remedies.