Kathir is a young underachiever who frequently vents his frustrations through public outbursts. When Anitha, a North Indian girl whose family has fallen on hard times, moves into his housing colony, he soon decides to pursue her with his love, but she keeps rejecting his advances.
Unfortunately the movie 7G Rainbow Colony is not yet available on HBO Max.
| Directing | Selvaraghavan | Director |
| Production | A. M. Rathnam | Producer |
| Editing | Kola Bhaskar | Editor |
| Sound | S Alagia Koothan | Sound Effects Editor |
| Camera | Arvind Krishna | Director of Photography |
| Crew | Peter Hein | Stunts Coordinator |
| Sound | Yuvan Shankar Raja | Original Music Composer |
| Writing | Selvaraghavan | Story |
| Writing | Selvaraghavan | Screenplay |
| Directing | Shree Ranjani | Assistant Director |
| Sound | Ajith Abraham George | Sound Re-Recording Assistant |
| Sound | Madhusudhan Reddy | Sound Designer |
| Sound | Shyam Sundar Sengupta | ADR Recordist |
| Visual Effects | Gnana Kannan | Digital Compositor |
| Sound | Shreya Ghoshal | Playback Singer |
| Sound | Harish Raghavendra | Playback Singer |
| Sound | Srimathumitha | Playback Singer |
| Sound | Ustad Sultan Khan | Playback Singer |
| Sound | P. Unnikrishnan | Playback Singer |
| Sound | Karthik | Playback Singer |
| Sound | Mathangi Jagdish | Playback Singer |
| Sound | Kunal Ganjawala | Playback Singer |
| Sound | KK | Playback Singer |
| Sound | P B Sreenivas | Playback Singer |
| Writing | Na. Muthu Kumar | Lyricist |
