[5] The film has music composed by Siddhu Kumar, cinematography handled by Iniyan J Harish and editing by Sreejith Sarang.

[2][3] The announcement was made in Aranthangi in the presence of Tamil Nadu Ministers, Anbil Mahesh Poyyamozhi, V Meyyanathan, MP M. M. Abdulla and MLA T. Ramachandran, due to his political affiliation with DMK.

[17] On 4 April 2024, a first-look poster with an intro-video was released featuring Vimal as a teacher after Vaagai Sooda Vaa (2011) in the village Mangollai, where education is refused by the name of God.

"[25] Kirubhakar Purushothaman of News 18 gave 2/5 stars and wrote "Sir has a noble cause at its core, the execution makes it a yarnfest, and instead of getting the catharsis such social commentary aims to provide, the film invokes a sense of guilt for feeling so.

"[27] Anusha Sundar of OTT Play gave 1.5/5 stars and wrote "Despite talking about the importance of education, Sir becomes an irresponsible film that forgets what it wants to profess in the chaos of violence.

"[28] On 14 June 2024, the makers announced on a change of title from Ma Po Si to a new one Sir, after the veteran politician, freedom fighter and poet Mylai Ponnuswamy Sivagnanam aka Ma.Po.Si's granddaughter Parameshwari expressing her concern for using her grandfather's name.