Senior Congress leader and three-time Lok Sabha MP Shashi Tharoor filed his nomination on Wednesday from the Thiruvananthapuram constituency for the fourth consecutive time in the Lok Sabha elections. Tharoor arrived at the district collectorate in the afternoon along with senior party leaders, including MLA M Vincent, former minister V S Sivakumar, and Thiruvananthapuram DCC president Palode Ravi, along with other workers. He shook hands with people and exchanged pleasantries while proceeding to the Collectorate complex. Some party activists draped shawls around him and expressed their support. Before filing his nomination, Tharoor offered prayers at famed shrines in the constituency, including Sree Padmanabhaswamy temple and Pazhavangadi Ganapathi Temple. With senior CPI leader and former Thiruvananthapuram MP Pannian Raveendran and BJP leader and Union Minister Rajeev Chandrasekhar as Tharoor's challengers in the fray, the high-profile Thiruvananthapuram constituency is set for