New Delhi, May 5 -- East India has shown a dramatic shift to the right, with West Bengal voting decisively for the Bharatiya Janata Party (BJP) in the country's latest round of assembly elections.

The Trinamool Congress, which was ousted from power in polls held under the shadow of a controversy over an electoral-roll revision, had for 15 years looked like a stable inheritor of the Marxist regime that ruled the state for the previous 34 years.

Unable to differentiate itself from the leftist formation it had replaced, it could not withstand a robust BJP campaign. That Assam would go the BJP way was expected all along.

The other big political shift was in south India, where Tamil Nadu saw film actor Vijay's Tamilaga Vettri Kazhagam displ...