The stock jumped 4.99 per cent to settle at Rs 2,390.85 on BSE. During the day, it went up sharply by 9.69 per cent to Rs 2,498.
Dr Reddy's was the top performer among the BSE's 30-share index components.
On NSE, shares of the company advanced by 5.26 per cent to end at Rs 2,394.15.
The company, however, said the US Food and Drug Administration has not closed the inspection and the manufacturing site's status remains unchanged.
It further said: "The USFDA has released the EIR in order to be transparent about its regulatory process. We are planning to request a re-inspection in 2018 after further discussion on scheduling with the USFDA.
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