Thiruvananthapuram (Kerala), Apr 06 (ANI): Congress MP Shashi Tharoor cast his vote at a polling station in Thiruvananthapuram on April 06. He seemed confident of high voting turnout by 10 am said it’s a good sign for United Democratic Front (UDF). "The turnout has been pretty high by 10 am, already 20% , which is unusual for Kerala. As a general rule, when the turnout is high, the UDF will prevail,” said Tharoor. Total of 2.74 crore voters are exercising their franchise to decide fate of 957 candidates. Kerala votes in a single-phase today with results scheduled to be announced on May 02.