13th on Sony LIV: Featuring Gagan Dev Riar and Paresh Pahuja as the leading duo, the new series is inspired by educator and Competishun founder Mohit Tyagi’s life. Here's everything to know...

Last Updated: 06.10 PM, Sep 22, 2025
Sony LIV’s upcoming series, 13th: Some Lessons Aren't Taught in Classrooms, is not just an ordinary tale but a heartfelt story about dreams and mentorship that will tug at your heartstrings. Featuring Gagan Dev Riar and Paresh Pahuja as the leading duo, the new series is inspired by educator and Competishun founder Mohit Tyagi’s life. As it gears up for its release, here’s everything you need to know about the series and why it makes for a compelling watch.
Abhishek Dhandharia’s new series, 13th, or 13th: Some Lessons Aren't Taught in Classrooms, is among Sony LIV’s stunning lineup for October releases. The makers shared the premiere date along with a solid trailer. 13th: Some Lessons Aren't Taught in Classrooms is set to release on Sony LIV on October 1. It will also be accessible via OTTplay Premium.
Physics Wallah creator Abhishek Dhandharia brings another inspiring and captivating story with 13th. It is based on the true story of Competishun founder Mohit Tyagi as his dream of an ed-tech startup turns into reality. Gagan Dev Riar, who is known for playing Telgi in the Scam 2003 series, plays MT sir (aka Mohit Tyagi). Bandish Bandits singer-songwriter Paresh Pahuja plays MT’s former student turned venture capitalist Riteish in the 13th series.
In the trailer, we meet Riteish in the boardroom as he quits his job to turn his mentor MT sir’s dream into reality. Together, they embark on a challenging quest for an ed-tech startup. The narrative is not just a tale about dreams and aspirations, but it also weaves a heartfelt narrative around mentorship and lessons that go beyond classrooms.
Written by Sameer Mishra, 13th also features Girija Oak Godbole, Pradnya Motghare, Jai Kishan, Abhishek Ranjan, Keshav Mehta, and others as part of the ensemble cast.
What makes the 13th series a captivating watch is the simple yet honest portrayal of mentorship and how it creates a deep impact on students. A tale of passion, dreams, gratitude, and dedication is set to keep you intrigued with a stellar cast.
Showrunner Abhishek Dhandharia also serves as the producer of the series with Nishil Sheth’s direction. Stay tuned for more.
Q. When to watch 13th: Some Lessons Aren't Taught In Classrooms?
A. Watch 13th: Some Lessons Aren't Taught In Classrooms on Sony LIV and OTTplay Premium on October 1.
Q. Who are the main actors in 13th: Some Lessons Aren't Taught In Classrooms?
A. Paresh Pahuja and Gagan Dev Riar (Scam 2003) feature as the leading duo in Sony LIV's 13th: Some Lessons Aren't Taught In Classrooms.