Anil Ambani group-firm Reliance Power will be included in the National Stock Exchange's 50- share benchmark index Nifty with effect from September 10.
Reliance Power, which got listed on the bourses earlier this year, would replace Pharma major Dr Reddy's Laboratories in the index, a National Stock Exchange circular said.
At present, Reliance Power has a market capitalisation of over Rs 36,000 crore, while Dr Reddy's has a market valuation of Rs 9,900 crore.
Reliance Power had raised about $ 3 billion from its initial public offer which had hit the market in January.
Adani Group firm Mundra Port and SEZ would be included in the CNX Nifty Junior index, while Aurobindo Pharma would be excluded from the index.
Reliance Power and Mundra Port & SEZ would be also be included in the CNX 100 index, while Dr Reddy's Laboratories and Aurobindo Pharma are being excluded from the index with effect from September 10.
Among other index changes, GVK Power & Infrastructure, Anant Raj Industries, Welspun Gujarat Stahl Rohren, Shriram Transport Finance and Akruti City are being included in the CNX Midcap index.