The eldest son of a mother) is a 1967 Indian Tamil-language drama film, directed by M. A. Thirumugam.

Within a peaceful family garage, The Marudhachalam Murthi Automobiles, a drama is slowly but surely being formed.

Somaiya, the elder son of this small company aims and aspires to have unreal perspectives.

But contrary to all expectations, their mother sides with her first-born, blinded by her love, she supports him in everything, while making her youngest son feel guilty, ceaselessly.

[1] On 12 January 1967, the day before the release of this film, M. G. Ramachandran was shot in the throat by M. R.