Senior Congress leader Shashi Tharoor on Friday said if the next Lok Sabha polls take place five years down the line, he does not see himself contesting another election for the Lower House as he believes that one needs to know when to step aside for the younger blood to come in. In Kerala's Thiruvananthapuram Lok Sabha seat, Tharoor beat Union Minister of State for Electronics and Information Technology Rajeev Chandrasekhar by 16,077 votes to register his fourth straight victory from the constituency. Asked if this election was his electoral politics swansong, Tharoor told PTI, "Not electoral politics but certainly Lok Sabha. I think I have done my bit and I honestly feel that at some point, we all need to know when to step aside for younger blood to come in and have a crack at it." "The Lok Sabha is certainly a very important institution. I have done my very best for my constituents and I will continue doing so but there are ways of serving in public life without necessarily havin