The country’s premier stock exchange BSE has announced changes in its indices for the mid-cap and small-cap segments, which will come into effect from May 13.

A total of 10 new stocks have been included in BSE Mid-Cap index, while 12 existing ones would move out.

In the BSE Small-Cap index, the exchange would include 35 new scrips and exclude 39 existing ones, the bourse said in a circular. “The replacements shall be made in S&P BSE Indices with effect from May 13, 2013,” it added.

Those joining mid-cap index include Engineers India, Indian Bank, GMR Infrastructure, Torrent Power and Srei Infrastructure Finance, while Bajaj Hindustan, Balrampur Chini Mills, Mahanagar Telephone Nigam Ltd (MTNL), Glenmark Pharmaceuticals and Aban Offshore would exit from the index.

In case of BSE Small-Cap index, Bajaj Hindustan, MTNL, Balrampur Chini Mills, Jyothy Consumer Products and Motilal Oswal Financial Services would be included in the indices.

Those being excluded from the Small-Cap index included Sahara One Media And Entertainment, Triveni Turbine and Nagarjuna Oil Refinery and Asian Hotels (East) Ltd.