The DIPP has received response from 25 states and union territories including Uttar Pradesh, Madhya Pradesh, Tamil Nadu, Odisha, Maharashtra, Karnataka, and Rajasthan.
"These responses are being validated by the DIPP's team for ranking the states," Commerce and Industry Minister Nirmala Sitharaman said in a written reply to the Lok Sabha.
Eleven states and union territories including Arunachal Pradesh, Jammmu and Kashmir, Manipur, Daman and Diu have not yet responded to the 285 questions of the DIPP.
India is currently ranked 142nd among 189 nations in the World Bank's Ease of Doing Business 2015 study. With the exception of two parameters (getting credit and protecting minority investors), India does not feature in the top 100 in the remaining parameters.
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The efforts aim at bringing India into the top 50 ranks in the ease of doing business in the next three years.
Improved ranking will help in attracting both domestic and foreign investments.
Replying to a separate question, she said two representations have been received in the Finance Ministry from Karnataka and Andhra Pradesh to hike import duty on raw silk from 10 per cent to 30 per cent or at least 15 per cent.