Ramu, a postman, gives shelter to a girl, who has escaped from the hands of a few Naxalites. However, problems arise when his fiance's parents doubt him to be a Naxalite as they find a gun with him.
You can now watch Postmane Kananilla online on the following streaming providers in the United States.
| Directing | Kunchacko | Director |
| Writing | P K Sarangapani | Writer |
| Sound | G Devarajan | Music |
| Camera | N A Thara | Director of Photography |
| Editing | G. Venkitaraman | Editor |
| Writing | Vayalar Ramavarma | Lyricist |
| Sound | K. J. Yesudas | Playback Singer |
| Sound | P Madhuri | Playback Singer |
| Sound | P. Susheela | Playback Singer |
| Sound | P. Jayachandran | Playback Singer |
| Sound | C O Anto | Playback Singer |