The Aditya Birla Group mayrestructure plan to bring all its retail verticals under Pantaloon Fashion & Retail.
The Sensex closed the day at 27,490, higher by 479 points and the Nifty ended at 8331.95, up 150.45 points.
A steep decline in the Asian equities after crude oil fell to its lowest since September 2003 dented sentiments.
As billions of dollars flow into India's booming online economy, some investors are beginning to fret that soaring valuations could hamper market listings.
It is unrealistic to expect that change will happen in one year: Birla
The 30-share Sensex ended down 414 points at 25,481 and the 50-share Nifty slipped 119 points at 7,603.