Dinesh Thakur says he waved the red flag only after Ranbaxy didn't respond to his concerns.
Ranbaxy Laboratories, the country's biggest drugmaker by sales, said on Tuesday it would set up a research and development facility in North America.\n\n\n\n
The Tata group has earmarked about Rs 1,000 crore (Rs 10 billion) for investment over the next four years in Advinus Therapeutics, a joint venture floated by it and ex-Ranbaxy research head Rashmi Barbhaiya.