Rolta India today said it has raised $150 million (over Rs 600 crore) through the issue of foreign currency convertible bonds (FCCBs).According to an official release issued by the company to the BSE today, the company would issue 1,500 FCCBs of $1,00,000 each aggregating to $150 million. The FCCBs are expected to be listed on the Singapore Stock Exchange."We are delighted with the support and confidence of international institutional investors in Rolta's business strategy and vision. This will further strengthen our international operations and facilitate faster growth of Rolta," Kamal K Singh, CMD, Rolta India said.The conversion price for the FCCBs is Rs 737.40 per share, which is at a premium of 50% over yesterday's closing of the company's scrip on the NSE.The company has entered into subscription agreement with the arrangers and bookrunners, Lehman Brothers International (Europe).