Shares of DLF ended with a loss of 4.82 per cent at Rs 139.25 on the BSE. During the day, it plunged 5.33 per cent to Rs 138.50.
At the NSE, it fell by 5 per cent to close at Rs 138.90.
The company's market capitalisation fell by Rs 1,255.66 crore to Rs 24,813.34 crore.
BSE has said that two companies -- DLF and Rasoya Proteins -- will move out from Group A category, comprising top 300 companies, from next month.
On the other hand, United Spirits and JK Tyre Industries will move to Group A.
"As part of the periodic review, the exchange has revised the list of Group 'A' companies (comprising of 300 stocks) with effect from Monday May, 4, 2015," BSE said in a circular.
BSE has classified equity scrips into categories such as Group A, Group B, Group T, among others, to provide a guidance to the investors.
Group A is the most tracked segment consisting of about 300 scrips while Group B consists of more than 3,000 stocks.
