Jayanta Roy ChowdhuryKolkata, April 28 -- Loudspeakers blared instructions to polling and security personnel who have gathered from nearby polling stations at Kolkata's more than a century old St Lawrence School, for last minute instructions.

Rows of buses stood lined up along one side of Ritchie Road, usually a quiet sleepy residential street of houses and apartment blocks, opposite the football field at Maddox Square, ready to transport election officials.

Similar scenes are unfolding across multiple locations in South Bengal as preparations intensify for the second and final phase of a keenly contested election plays out.

Less than half of West Bengal's Assembly constituencies, 142 seats across South Bengal, the state's political and ...