Ok Kanmani (original Tamil title , often shortened to OK Kanmani ) is a 2015 Indian Tamil‑language romantic drama directed by the celebrated filmmaker Mani Ratnam . The film marked Mani Ratnam’s return to Tamil cinema after a five‑year hiatus and introduced his son Ravi Kumar as the lead actor. Its fresh take on contemporary relationships, vibrant music by A. R. Rahman , and sleek visual style made it a cultural touchstone for a new generation of Tamil audiences.

| Platform | Availability (as of 2026) | Notes | |----------|----------------------------|-------| | | Included with Prime subscription (India, US, UK, Canada) | HD & 4K options (where supported) | | Netflix | Available in select regions (India, US, Europe) | Requires an active subscription | | Disney+ Hotstar | Included in the “Premium” tier (India) | Offers regional language subtitles | | SonyLIV | Part of the “Premium” package (India) | Occasionally bundled with promotional offers |

Use the platform’s search function and type “O Kadhal Kanmani” or “Ok Kanmani” to locate the movie quickly.