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

Row after row of buses stand to transport these election officers, who stand by on one side of Ritchie Road, a usually sleepy street of houses and flats, opposite the football field at Maddox Square.

This scene is being repeated at numerous focal points in South Bengal as preparations for the second and final phase of a keenly contested election play out.

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