Shares of Cadila Healthcare Limited fell as much as 4.2 per cent to Rs 249.5, the lowest since October 1, 2014.
The stock broke below a support at Rs 255.92.
Experts said that in the near term, the stock has support at Rs 243.27.
The stock is down 25.3 per cent this year as of last close, while the Nifty has gained 2.7 per cent in the same period.