The stock skyrocketed 19.95 per cent to end at Rs 48.70 on BSE.
On NSE, it soared 20 per cent to close at Rs 48.60.
The company added Rs 332.36 crore to Rs 1,993.36 crore in market valuation.
On the volume front, 92.82 lakh shares of the company were traded on the BSE and over 4 crore shares changed hands on the NSE during the day.
The plant located at Verna has had an inspection by the UK Medicines and Healthcare products Regulatory Agency (MHRA) from February 14-17, Marksans Pharma said in a BSE filing.
The company, which makes formulations at the facility, is awaiting further instruction from the agency in this regard, Marksans Pharma said.
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