Senior Congress leader Tom Vadakkan has joined the BJP. He was inducted to the party fold by senior party leader and Union Minister Ravi Shankar Prasad in New Delhi today.<br />''<br />''Trinamool Congress MLA Arjun Singh today joined BJP. He was inducted in the party in the presence of party leaders Kailash Vijayvargiya and Mukul Roy at party headquarters in New Delhi.<br />''<br />