Shares of ITC tumbled 5.67 per cent to Rs 316.55 on BSE, emerging as the worst performer among the blue-chip Sensex stocks.
Similar selling was seen in Godfrey Phillips which plunged 5.7 per cent and VST Industries, that dipped 4.21 per cent.
A Finance Ministry panel headed by CEA Arvind Subramanian has suggested a 'standard rate' of 17-18 per cent on bulk of the goods and services for the entire country.