After surging 17.32 per cent to Rs 57.90 in intra-day trade, shares of Orchid Chemicals finally ended at Rs 56.70, up 14.89 per cent on the BSE.
On the NSE, the stock soared 15.83 per cent to end at Rs 57.05.
In terms of volume, 17.22 lakh shares of the company changed hands on the BSE and over 71 lakh shares were traded at the NSE during the day.
The approval is with 180 days of generic drug exclusivity, it added.
Chennai-based Orchid is present in segments like anti-infective, anti-inflammatory, central nervous system, cardio vascular segment, nutraceuticals and other oral and sterile products.
Meanwhile, in the stock market the Sensex closed the day at 27,115.83, up 283.17 points.