In Kerala, despite unusually hot summer days, second phase of campaigning for the forthcoming assembly poll has intensified. Congress leader and Union Civil Aviation Minister Vayalar Ravi will be campaigning at Thiruvananthapuram tomorrow.CPIM led LDF with Chief Minister V S Achuthanandan as main campaigner is trying to woo voters in all 14 districts. Senior BJP Leader Arun Jaitely is reaching the state capital tomorrow.