After completing her reign, Sen went on to pursue Bollywood. She started her career with the Hindi film, Dastak. She rose to stardom with the Tamil musical Ratchagan opposite Nagarjuna; later, she attained commercial and critical recognition for her roles in Sirf Tum (1999) and the comedy Biwi No.1 (1999). The latter earned her the Filmfare Best Supporting Actress Award. She has also acted in commercially successful films such as Aankhen (2002), Main Hoon Na (2004) – her biggest commercial success so far — and Maine Pyaar Kyun Kiya? (2005). She received critical acclaim for her female-oriented roles in films such as Filhaal... (2002), Samay: When Time Strikes (2003), Chingaari (2005), Zindaggi Rocks (2006), Aag (2007) and others
