Since childhood, Sen dreamt of becoming an actress.
She lived at Jyotish Roy Road, New Alipore, Kolkata with her mother.
She did her schooling from Vidya Bharati New Alipore near Mint.
After completing her studies, she persuaded her mother to accompany her to Mumbai.
She later said that she wasn't encouraged by anyone in her family except by her grandfather.
After doing the rounds, she got into ads including one Coca-Cola ad with Aamir Khan.
She was instantly noticed, and her first offers for films started rolling in.

Sen made her debut as a lead actress in the Telugu movie Nee Thodu Kavali.
Her debut Hindi film, Vijay Galani's Hungama was released in 2003.
It was a comedy film, in which she co-starred with Akshaye Khanna, Aftab Shivdasani and Paresh Rawal.

She followed it with appearances in big budget movies such as Dhoom (2004), Kyon Ki (2005), Garam Masala (2005) and Golmaal (2006).
Sen also did a cameo in the 2006 film Dhoom 2, and she followed it with Johnny Gaddaar, alongside newcomer actor Neil Nitin Mukesh.
In 2008, she appeared in De Taali and in 2009, Sankat City and Horn Ok Pleasse.
All three of these films were box office disasters.
After these films, her career declined.

She further appeared in the films Thank You and Shagird in 2011.
Both failed to do well.
In 2015, she participated in the reality show Bigg Boss.

Sen has produced a film, Budhia Singh - Born to Run.
She changed her screen name, Rimi, to her real name, Subhamitra Sen for her production venture.
Since childhood, Sen dreamt of becoming an actress. She lived at Jyotish Roy Road, New Alipore, Kolkata with her mother. She did her schooling from Vidya Bharati New Alipore near Mint. After completing her studies, she persuaded her mother to accompany her to Mumbai. She later said that she wasn't encouraged by anyone in her family except by her grandfather. After doing the rounds, she got into ads including one Coca-Cola ad with Aamir Khan. She was instantly noticed, and her first offers for films started rolling in.
Sen made her debut as a lead actress in the Telugu movie Nee Thodu Kavali. Her debut Hindi film, Vijay Galani's Hungama was released in 2003. It was a comedy film, in which she co-starred with Akshaye Khanna, Aftab Shivdasani and Paresh Rawal.
She followed it with appearances in big budget movies such as Dhoom (2004), Kyon Ki (2005), Garam Masala (2005) and Golmaal (2006). Sen also did a cameo in the 2006 film Dhoom 2, and she followed it with Johnny Gaddaar, alongside newcomer actor Neil Nitin Mukesh. In 2008, she appeared in De Taali and in 2009, Sankat City and Horn Ok Pleasse. All three of these films were box office disasters. After these films, her career declined.
She further appeared in the films Thank You and Shagird in 2011. Both failed to do well. In 2015, she participated in the reality show Bigg Boss.
Sen has produced a film, Budhia Singh - Born to Run. She changed her screen name, Rimi, to her real name, Subhamitra Sen for her production venture.
Rimi Sen