Muthuramalingam alias Kathar Basha) is a 2023 Indian Tamil-language action drama film written and directed by M. Muthaiah, and produced by Zee Studios and Vedikkaranapatti.

[1] The film stars Arya, Siddhi Idnani, Prabhu, and K. Bhagyaraj, while B. S. Avinash, Aadukalam Naren, Madhusudhan Rao, and Singampuli play supporting roles.

The soundtrack and score for the film are composed by G. V. Prakash Kumar, while the cinematography and editing are handled by R. Velraj and Venkat Raajen.

With no choice, Tamizhselvi goes to prison in search of a person named Kathar Basha alias Mutharamalingam but leaves after seeing her relatives.

[4] On 10 December, the official title of the film was unveiled as Kathar Basha Endra Muthuramalingam by 8 prominent Indian celebrities such as Gautham Vasudev Menon, Vishal, Karthi, Santhanam, Jiiva, Arun Vijay, R. Madhavan and Venkat Prabhu.

[5] Siddhi Idnani, who made her Tamil debut through Vendhu Thanindhathu Kaadu (2022), was cast in as the female lead opposite Arya.

Navein Darshan of Cinema Express gave 3 out of 5 stars and wrote "Time and again Muthaiya has proven his mastery in creating such powerful characters and moments in his films, and he is also honing his technical prowess with every project"[13] Bhuvanesh Chandar of The Hindu wrote "The way Muthaiya structures his screenplay should have worked in another film but what it amounts to, other than the flimsy conflict, isn't worth all that effort.

"[14] Logesh Balachandran of The Times of India gave 2.5 out of 5 stars and wrote "Kathar Basha Engira Muthuramalingam brings nothing new to the table and ultimately ends up as an average offering from Muthaiah.

"[15] Bharathy Singaravel of The News Minute gave 1 out of 5 stars and wrote "The villainy of these legions of antagonists in the film is by no means a criticism of real-life violence by Thevars.