Kanavarukkake is end?

Can any1 write the story of Kanavarukkake in brief?Is it abt a man who marries a lady who's not pretty?

Nope! Kasturi is the serial where a man marries a woman who is not pretty. Check out that discussion.

Kanavarukkake is ended.. here is the brief update https://www.indiaforums.com/forum/popular-tamil-tv-shows/275555/kanavarukkaha-serial-update