In the murky tale of Indian pharma giant Ranbaxy’s unfair business practices and its eventual culmination into a massive $500 million settlement in the US, one name stands out for fair play. If Preet Bharara was instrumental in dismantling the citadel of Rajat Gupta, Dinesh Thakur remains conspicuous for having the gall to relentlessly fight a company not only revered for producing affordable drugs, but one which also had the scale needed to blunt any attack on it.