Poo Parikka Varugirom(1999)

Aravind and Priya are cross-cousins and they fall in love. Their grandfathers Narayanan and Annan are also keen about getting them married. However, Aravind is a good-for-nothing in the eyes of Ambika, Priya's mother who is married to Narayanan's son Malaysia Vasudevan. To make this marriage happen, Annan and Narayanan start to play a game where they both act as if they are on the opposite side when it comes to marriage with one of them opposing it while the other supports it, while showing that Aravind is a good and capable person to Ambika in the process. Do they succeed? Nah