Thandayuthapani was born on 7 August 1950 and educated at R. K. M. Sri Koneswara Vidyalayam.
[1] He graduated with a degree in economics before training to be a teacher at Palali Guru Vidyalayam.
[3] On 28 September 2012 the TNA leadership unanimously selected Thandayuthapani to be the Leader of the Opposition on the EPC.
[1] Following the 2015 presidential election an all party provincial government was formed in the Eastern Province.
[5][6][7] Thandayuthapani took his oath as Minister of Education in front of Governor Austin Fernando on 3 March 2015.