Wintac announced that the company has received the US FDA approval for the manufacturing plant (manufacture of pharmaceutical formulations - sterile injections and ophthalmic products) at Nelamangala, Bangalore.

Thus, the warning letter issued to the company during February 2012 on certain GMP issues gets vacated.

Shares of the company gained Rs 4.45, or 4.99%, to settle at Rs 93.65. The total volume of shares traded was 402 at the BSE (Friday).