Last week, Indian drug regulator NPPA rejected applications filed by Abbott and Medtronics to withdraw their stent products from market technical grounds.
Data put out earlier by NPPA pointed out that distributors had trade margins between 13 and 196 percent for sale of stents to hospitals, while hospitals enjoyed a margin between 11 percent and 650 percent on sales to patients.
The national drug pricing regulator NPPA has asked manufacturers and importers of coronary stents to submit details, including price list of their products, before March 1.
Government today said it is keeping a close watch on some companies trying to create an artificial shortage of life-saving coronary stents and stringent action will taken against those engaging in unethical practices.
Expressing serious concern over affordability in health care, a network of doctors today asked the Centre to review pricing of coronary stents to stop the device industry from making "huge" profits.