Kana Kandaen is a 2005 Tamil film directed by K. V. Anand, and starring Srikanth, Gopika, and Prithviraj. Friends since their childhood days, the couple begins to live in a small house owned by Vivek in Chennai. Meanwhile, Bhaskar, a research scholar in Chemistry, succeeds in coming out with a prototype of a desalination plant which he wants to give to the government and solve the water crisis in Chennai..