Chanderbabu (Nazir Hussain), a retired postmaster, lives in the village with his wife and two sons, Rajan (Paul Mahendra) and Bhanu (Bharat Bhushan). He continues to live there and work for the Zamindar, while his children are getting their education. Rajan is studying for his law exam. He is married to a girl (Padma) from a wealthy family whose haughty ways alarm and frightens him. Bhanu, the younger brother is fun-loving but studious. He gets influenced by the Nationalist Movement in the campus and stops his education in the last year of college. His father is disappointed and feels that Rajan is the one they can depend upon in their old age. Bhanu meets Meena (Shyama), and the two fall in love. Meera's father, Ramnarayan, is the school Principal and is impressed by Bhanu. He decides to get Meera married to Bhanu.
Unfortunately the movie Maa is not yet available on HBO Max.
| Writing | Paul Mahendra | Writer |
| Writing | Bimal Roy | Screenplay |
| Writing | Asit Sen | Story |
| Writing | Nabendu Ghosh | Writer |
| Editing | Hrishikesh Mukherjee | Editor |
| Sound | Asha Bhosle | Playback Singer |
| Writing | Bharat Vyas | Lyricist |
| Sound | Manna Dey | Playback Singer |
| Directing | Bimal Roy | Director |
| Writing | Nabendu Ghosh | Story |
| Sound | Surya Kumar Pal | Music |
| Sound | Afzal Hussain | Playback Singer |
| Sound | Kishore Kumar | Playback Singer |
| Costume & Make-Up | Kishan Bhikha | Costume Design |
| Sound | Geeta Dutt | Playback Singer |
| Art | D.N. Jadhav | Art Direction |
| Camera | Josef Wirsching | Director of Photography |
