Kaaryasthan () is a 2010 Malayalam-language family drama film written by the duo Udayakrishna-Siby K. Thomas and directed by debutant Thomson K. Thomas. It stars Dileep, Akhila, Siddique, Madhu and Suraj Venjaramoodu. It was Dileep's 100th film. Akhila, a noted television anchor and dancer, debuted as an actress through this film. The film is an unofficial remake of Telugu film Kalisundam Raa with minor changes in the plot. The song Mangalangal vaarikkori featured many serial actors and others as cameos after Deewangi Deewangi from Om Shanti Om which featured 31 Bollywood actors as cameos. The film was released on November 5 coinciding with Diwali.The film received mainly positive reviews from critics became blockbuster at box office and it was one the highest grossing films of 2010. Plot The story is set in a picturesque landscape in a village called "Krishnapuram". The two tharavadus (parentages) named Puthezhathu and Kizhakkedathu are situated in the same compound, and their members share a very great bonding with each other. The film begins with the celebration of Onam festival by the inmates of both the houses. Kizhakkedathu tharavadu's karanavar Krishna Warrier's eldest son Rajan is in love with one of the girls there but his marriage is fixed with Saraswathy, daughter of Sankaran Nair, the karanavar of Puthezhath family. Rajan and the girl elopes, and Saraswathy is later found dead in a quarry, apparently a suicide. Puthezhathu family believes that Kizhakkedathu family has cheated them, and thus they beat up Rajan, but Krishna Warrier comes to rescue him and also pulls him up on to the train, saying that he should never return. This led to enmity between both the families. As years pass, Krishnanunni, the hero of the story, is born to Rajan. Rajan, along with his wife and children, now lives in Tenkasi in Tamil Nadu. He is now indulged in agriculture. He is assisted by his son Krishnanunni. During a clash in the market, the local thief Kalidas is beaten by Krishnanunni/Kuttan and his friend Vadivelu/Pottan, and is sacked and taken back in a bullock cart. Unfortunately, Kalidas escapes from the sack by jumping into a canal. When Unni and Vadivelu come to know about this, they tell their gang to beat him. Unfortunately, the sack was changed, and it was Ayyappan, the former Karyasthan of Kizhakkedathu family, who was under it. Ayyappan tells Rajan about the impact caused by his elope