Tech Mahindra has also raised Rs6 billion ($120 million) this week through the sale of bonds Mumbai: Indian software services group Tech Mahindra, which is waiting for regulatory approval to buy Satyam Computer Services, has raised Rs2.75 billion ($55 million) via short-term debt, two sources said. Tech Mahindra has also raised Rs6 billion ($120 million) this week through the sale of bonds.   read more »