The scrip went up by 2.99 per cent to settle at Rs 1,777.20 on BSE. During the day, it rose 3.44 per cent to Rs 1,785.
On NSE, the company jumped 3.35 per cent to close at Rs 1,781.65.
The company has received approval from the United States Food and Drug Administration (USFDA) for the product and will soon be launching the same, Ajanta Pharma said in a BSE filing.
This new approval is part of portfolio of products that the company has developed for the US market, it added.