Kolkata, April 19 -- In the first phase of Lok Sabha elections on Friday, three key constituencies of West Bengal -- Cooch Behar, Alipurduar and Jalpaiguri -- are in action. The voting process commenced at 7 am under a tight security arrangement in the constituencies that are in northern part of the state.

The Central Armed Forces and state police personnel are keeping a close vigil as over 4.6 million voters set out to exercise their franchise in around 5,814 polling booths, in which some 30 candidates are seeking their electoral fates.

Though the contest is assumed to be multi-cornered, the real fight is concentrated between the state-ruling Trinamool Congress and the main opposition Bharatiya Janata Party.

The Left Front and Congress ...