The 30-share Sensex was up 138.43 points at 29503.73, while the Nifty was up 45.50 points at 9164.90. The market breadth was positive with 1,546 shares having advanced against a fall of 901 shares, while 118 shares were unchanged.
HDFC Bank, Adani Ports, ACC and Grasim were the top gainers, while Lupin and Cipla were top losers.
Leading bourse NSE has decided to delist as many as 19 firms including Deccan Chronicle Holdings Ltd and Koutons Retail India Ltd from its platform from next month.
This is in addition to 70 companies that were delisted by NSE in August and March.
The National Stock Exchange said it has now "decided to delist (withdraw the admission to dealings in) equity shares of the following companies with effect from May 12, 2017, as per Chapter V of Sebi (Delisting of Equity Shares) Regulations, 2009".
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