In a major crackdown against the manufacture of substandard drugs, central and state regulators conducted joint inspections at 76 pharma companies and cancelled the licences of 18 of them for producing spurious and adulterated drugs, official sources said on Tuesday. The inspections were carried out across 20 states and Union territories in the past 15 days, they said. The names of the companies are not yet known. An official source said that the action has been taken against 76 companies in the first phase of a special dr...