Japan’s Nomura Securities (NSC), one of the world’s leading security firms, is doing due diligence for potential investments in the Indian market. A three-member team from NSC have called on market regulator Sebi. Market sources said Nomura was likely to enter Indian secondary markets through the mutual fund route. NSC has more than $150 billion assets and a shareholder equity of over $13.5 billion. A top Sebi official said: ‘‘Nomura Securities is familiarising itself with all aspects of the Indian capital market’’.