The company aims to raise around $250 million through a combination of equity and convertible debt instruments from the PE firms, the newspaper said, adding a deal could happen over the next two weeks.
A spokeswoman for Fortis told Reuters the report was "baseless", while a Carlyle spokesman said he had no comment. Officials at TPG Capital could not be immediately reached.
The founders of the Fortis Healthcare, billionaire Singh brothers Malvinder and Shivinder, also plans to sell 6.5 per cent of their stake through a stock auction, the newspaper said.
The hospitals chain is planning to add 600 beds to its capacity of 4,100 beds, its Chief Executive Aditya Vij told Reuters in February.
Fortis shares were up 1.30 per cent at Rs 101.35 in early trading. The benchmark Sensex on the Bombay Stock Exchange was down 0.58 per cent at 11:29 a.m.
Copyright Thomson Reuters 2012