strongMumbai:/strong Reliance Industries, which is sitting on over Rs 75,000 crore in surplus cash, today launched an issue of bonds in Hong Kong and Singapore markets to raise a minimum $500 million (around Rs 2,700 crore), company sources said. This is the fifth time that the Mukesh Ambani-led company is raising long-term debt this fiscal. So far, it has raised $4 billion from overseas in the current financial year. The company is planning to raise at least $500 million by issuing perpetual bonds. The issue hit the markets today and the final amount will depend on the investor appetite. The initial pricing is 6 per [caption id=attachment_604588 align=alignleft width=380