Sudha Murthy, wife of Infosys` Technologies co-founder NR Narayana Murthy, sold two million shares of her holding in the IT bellwether for over Rs 4.3 billion.

Post-sale, Sudha Murthy`s holding in the company has come down to 7,314,600 shares from 9,314,660 shares.

In a related development, Infosys` co-founder and chief executive S. Gopalakrishnan purchased 400,000 shares for around Rs 866 million from the market on Thursday.

Shares of the company declined Rs 10.5, or 0.47%, to trade at Rs 2,212.60. The total volume of shares traded was 27,283 at the BSE (10.46 a.m., Friday).