Copy of Mohanlal Movie?
Is this a copy of Gopi-revathi-mohanlal hit Kattathe kilikoodu - 1983 (A Bird's Nest in the Wind)
http://www.us.imdb.com/title/tt0155802/
Maybe this explains why this movie is shot in Kerala :-)
Interestingly revathi who did heroine in malayalam movie is in this as well.