An impairment charge and weak financial performance led to an over 12 per cent fall in the GSK Pharmaceuticals stock on Tuesday.
In addition, the company — as part of its strategic review — is looking at options including sale of its Vemgal facility in Karnataka.
The financial impairment was on account of a global voluntary recall of ranitidine (antacid) products, which include its top brand Zinetac in India.
The move was prompted by the detection of a carcinogen in the drug, with the firm indicating it would continue its probe into the potential source of the carcinogen.
It reported a Rs 660-crore loss