Nakshatratharattu

Nakshatratharattu is a 1998 Malayalam film directed by K. Shankar, and starring Kunchacko Boban and Shalini in the lead roles.

Hema and Sunil get into a fight the next day, but Sunil suggests that Hema likes him, after which he asks her out. While he is packing to leave, she arrives with a few of her friends. Swaminathan also arrives before them and hides in the house. The two fight again, and she leaves after giving him a shirt shed bought for him. He throws the shirt into the pond out of anger, but fishes it out the next day and discovers that it has the phrase, I love you written on it. Intending now to marry Hema, Sunil goes to see the priest in place of his father, as he is an orphan. Hema, who is also an orphan, is unaware that the same is true for Sunil, and dreams of having a big family. The priest gives his blessing and they marry. Swaminathan organises a house for them in Skyline Colony and they meet Darling Hariharan. His mother despises the couple since they married without their parents permission. However, when they finally meet and decide that either Sunil or Hemas parents will be the chief guest, everything falls apart. After they learn that they are both orphans, they go on a hunt to adopt a mother and father, and the rest of the story is formed by how they get along with their new parents.The film was a boxoffice hit, and ran for more than 90 days. It also helped Kunchako Boban to position himself in Mollywood. ........

Source: Wikipedia