His Highness Abdullah is a 1990 Indian Malayalam-language musical drama film written by A. K. Lohithadas[1] and directed by Sibi Malayil.

[2] It stars Mohanlal, Nedumudi Venu, Gautami,[3] Sreenivasan, Thikkurissy Sukumaran Nair and Mamukkoya.

[5] The film features original songs composed by Raveendran and a background score by Mohan Sithara.

Abdullah infiltrates the palace under the disguise of a Brahmin classical singer, Ananthan Namboothiri, and tries to assassinate the Maharaja by gaining his confidence.

Udaya Varma's wife Bhagirathi Thampuratti has fallen into depression after the untimely death of their son Unni.

As per his advice, Ravi Varma, the King's eldest nephew, travels to Mumbai in search of a killer.

Abdullah disguises himself as Ananthan Namboothiri and meets Thampuran stating that he is Ravi Varma's friend who wants to study the palace.

Bhagirathi Thampuratti thinks Ananthan is Unni and shows stages of recovery from a mental disorder with his presence.

The group gets angry and Ravi Varma travels to Mumbai a second time to find another killer.

His Highness Abdullah was produced by Mohanlal and was the debut production of his company Pranavam Arts.

[17] NKS of The Indian Express praises the film writing, "Rich with a fest of light classical songs, and taking its own time to stress the clash and play of emotions that is helped greatly by sensitive performances from Mohanlal and Nedumudi Venu, the film is a clean gripping entertainment for the family."