Echo) is a 1970 Indian Tamil-language legal drama film, directed by K. Balachander.

The story revolves around Advocate Shankar, who gives his daughter seven principles to follow.

The film concludes with his daughter gifting him the same seven principles, which he intends to follow once again.

[5] Ethiroli revolves around the "moral decay of men".

[6] The music was composed by K. V. Mahadevan, with lyrics by Vaali.