Thiruvananthapuram (Kerala) [India], March 10 (ANI): Congress leader Shashi Tharoor on Sunday said that he has served the people of Thiruvananthapuram for 15 years and he is “very confident” of winning the Lok Sabha seat again. “I’ve served the people of Thiruvananthapuram for 15 years. They know me and have seen my service. It’s not as if I’ve got anything to be ashamed of in my track record. I’ve been consistently available and attended to all the major issues,” he said. “It’s always been a three-cornered fight here because I took the seat from the LDF. They had won it two times before me an…