Mookilla Rajyathu

The film starts by displaying an antic of Keshavan who is an inmate of the Kakkanad Mental Hospital. Two other inmates are Benny and Krishnankutty. By profession Benny was an artist, Krishnankutty was an auto-mechanic and Keshavan had retired from military service. The trio chance to come across a newspaper report that the Hindi film star Amitabh Bachchan is visiting Ernakulam city for a film shooting, which is close to where they stay. They are soon joined by a new inmate Venu, brother of Balan who takes him to the mental hospital. Venu is a good singer but suffers from a compulsive obsession to singing. All the four share a passion for Amitabh Bachchan.

Driven by a desire to see Amitabh Bachchan the four manage to escape from the mental hospital that night by outsmarting the cell warden Ameen. They reach Ernakulam city in a bus, but are disappointed to learn that Amitabh Bachchan had gone back after the film shooting which took place a month ago, and they had in fact seen an old newspaper report. They decide not to return to the mental hospital but start living in the city by finding suitable employments.

Benny meets his former college mate and lover Leena in the city. Leena's father is unwilling to give his daughter in marriage to Benny, and even unsuccessfully hires a goon Bheem Singh to get rid of him.

Two conman Vasu and Abdullah, who uses the pseudonyms Sundaran Pillai and Gireesh Puri, are in the disguise of a TV serial producer and director, respectively. Their intention is to rob a bank near to the home rented by the four, by making a tunnel through their home. For that they hire the four supposedly for their TV serial and send them to learn various skills like martial arts, rock climbing, tree climbing, break dance among other things. They manage to keep them away from the house during daytime while the excavation is going on under the supervision of another gang member Bruno.

But the a police officer is tracking their activities. In the end their vicious scheme is busted up by the police officer, assisted by the four who wake up to the reality at last, and the bank robbers end up in police custody.

• Mukesh as Benny
• Thilakan as Keshavan / Keshu
• Jagathy Sreekumar as Krishnankutty
• Siddique as Venu
• Vinaya Prasad - Leena
• Paravoor Bharathan - Father of Leena
• N. L. Balakrishnan - Balan
• Krishnan Kutty Nair - Bheem Singh
• Pappu - Vasu / Sundaran Pillai
• Rajan P. Dev - Abdullah
• Kunchan - Bruno
• Philomina - Insane Lady
• Oduvil Unnikrishnan - Dr. V. N. Sharma
• Mala Aravindan - Ameen
• Suchitra Murali - House Owner / Dance Teacher
• Jagadish - Police Inspector
• Hakim Rawther - Inmate at mental hospital

The soundtrack was composed by Ouseppachan. It features three songs which were sung by M. G. Sreekumar and K. S. Chithra. The lyrics were written by Kaithapram Damodaran and Poovachal Khader.

• Mookkilyarajyathu at IMDb