By Nandan Mandayam and Kane Wu (Reuters) -Shares of Carlyle-backed Hexaware Technologies rose as much as 10% in their debut on Wednesday, indicating rising retail interest in India's first billion-dollar IPO that struggled to achieve full subscription without an outsized help from large institutions.

Shares of Hexaware Technologies rose 5% in their market debut on Wednesday, after its $1 billion initial public offering which saw institutional buyers rush in as retail investors held back. (Reporting by Nandan Mandayam in Bengaluru;

Shares of IT company Hexaware Technologies jumped in their Mumbai debut, signaling strong investor interest following India's first billion-dollar initial public offering of the year. The stock rose as much as 10% to 780 rupees on the BSE exchange,