“Millimeter” actor Rahul Kumar’s wife is a fan of Aamir Khan’s ‘3 Idiots’. Here’s how Rajkumar Hirani’s film brought them together

More than a decade after winning hearts as “Millimeter” in 3 Idiots, actor Rahul Kumar is back in the spotlight — not for a film role, but for his life off-screen. The child actor turned performer, once seen alongside Aamir Khan and R. Madhavan in one of India’s most loved films, has married Keziban Doğan, a Turkish national, in a cross-cultural ceremony that’s captured the internet’s attention.

The actor, who began his journey as a theatre prodigy before stepping into Bollywood, became an overnight favourite for his playful portrayal of a college helper in 3 Idiots (2009). Years later, the “Millimeter” actor’s wedding has reignited interest in his life and career, with fans revisiting his journey from a breakout role in a cult classic to marrying someone who first admired his work from miles away.

Meet Keziban Doğan: Fan tour partner

Actor Rahul Kumar’s wife, Keziban Doğan, is a Turkish national who came into the actor’s life years after she first watched 3 Idiots. According to reports, the two met online over a decade ago, when Keziban reached out to him after seeing his performance in the film. Their friendship continued for nearly 14 years before evolving into a relationship, culminating in their marriage on May 4, 2025, in a ceremony that celebrated both Indian and Turkish traditions.

The couple’s public appearance, described as “Mr and Mrs Millimetre,” earned affectionate comments across social media,

Rahul Kumar’s journey

Rahul Kumar began his acting career as a child artist, performing in stage plays before transitioning to television and films. He appeared in critically acclaimed movies like Omkara (2006) and The Blue Umbrella (2005) before earning widespread recognition for his role as Manmohan, aka “Millimetre, in Rajkumar Hirani’s 3 Idiots (2009). Playing the college helper who becomes part of the film’s iconic campus camaraderie, Rahul’s portrayal brought both humor and warmth to the story, making him a memorable supporting presence in one of Bollywood’s biggest blockbusters.
While Millimetre wasn’t the lead, Rahul’s performance became a fan-favourite moment from the film, with many remembering the line “Millimetre ab Centimetre ban chuka hai,” often resurfacing in fan discussions and memes more than a decade after the film’s release.After 3 Idiots, Rahul continued working across mediums. He featured in films like Sandeep Aur Pinky Faraar (2021) and gained attention for his performance in Amazon Prime’s musical drama Bandish Bandits (2020). Despite the success of 3 Idiots, Rahul kept a relatively low profile in mainstream cinema, occasionally appearing in advertisements and smaller projects.