Shares of Godfrey Phillips India tumbled 17.38 per cent to Rs 933 on BSE.
Among others, Golden Tobacco slipped 4.87 per cent to Rs 39, VST Industries lost 3.21 per cent to Rs 1,595 and ITC fell 2.8 per cent to Rs 312.
After making it mandatory to carry larger pictorial warnings on cigarette packets, the government is now working on a proposal to completely ban FDI in the tobacco sector.
However, it is prohibited in manufacturing of cigars, cigarettes of tobacco and tobacco substitutes.
According to sources, the Commerce and Industry Ministry is proposing banning FDI in licensing for franchise, trademark, brand name and management contract in the sector. It would eventually mean that FDI would be totally banned in the tobacco segment in any form.