The song you are looking for is actually titled (often referred to by the lyric "Yaaro Un Kadhalil Vaazhvathu Yaaro" ), from the popular 2007 Tamil TV series Kadhalikka Neramillai .
Ennai Thedi Kadhal Endra (often referred to by the lyric Yaaro Un Kadhalil Valvathu ) Composer: Vijay Antony Lyricist: Viveka Singer: Sangeetha Series: Kadhalikka Neramillai (2007) Why This Song is a Classic "Ennai Thedi" The song you are looking for
The song you are looking for is titled "Ennai Thedi" from the 2016 Tamil film Meendum Oru Kadhal Kadhai "Ennai Thedi" The song you are looking for