Born in Delhi and raised in Kolkata, Basu won the Godrej Cinthol Supermodel contest in 1996, and later pursued a successful career as a fashion model.She then began receiving offers for film roles, and made her acting debut with a negative role in the moderately successful thriller Ajnabee (2001), which won her the Filmfare Award for Best Female Debut.

She is a prominent celebrity endorser for brands and products, and is vocal about issues such as feminism and animal rights.

Following a high-profile relationship with actor John Abraham, Basu married actor Karan Singh Grover in 2016.

Basu achieved further success with starring roles in six of India's annually top-grossing productions—the comedies No Entry (2005), Phir Hera Pheri (2006), and All the Best: Fun Begins (2009), the action adventure Dhoom 2 (2006), the action thriller Race (2008) and the horror thriller Raaz 3D (2012).

She also received praise for her performances in the romantic comedy Bachna Ae Haseeno (2008), and the horror films Aatma (2013), Creature 3D (2014) and Alone (2015).

In 1996, Basu was spotted at a hotel in Kolkata by the model Mehr Jesia Rampal, who suggested she take up modelling.

Award for Best Female Debut for her debut film Ajnabee in 2001]] One of the judges of the Godrej Cinthol Supermodel Contest in which Basu participated, Vinod Khanna, wanted to launch her alongside his son Akshaye Khanna in Himalay Putra, but she felt she was too young and declined the role, which eventually went to Anjala Zaveri. Directed by Vikram Bhatt, it established Basu in the Hindi film industry.Other star couples go through the same situation but they deal with it internally and don’t go around asking producers of directors to make changes in their film.That’s so not acceptable and unprofessional wethinks.She added "Due to my dusky skin, I was considered ugly in my younger years." In Delhi, Basu lived at Pamposh Enclave, Nehru Place, till the age of eight and studied at Apeejay High School.She remarked "As a child, I was a tomboy and I was pampered a lot, due to which I became very naughty.Basu's first leading role was in the blockbuster horror film Raaz (2002), which earned her a nomination for the Filmfare Award for Best Actress.

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Award for Best Female Debut]] for her debut film Ajnabee in 2001]] One of the judges of the Godrej Cinthol Supermodel Contest in which Basu participated, Vinod Khanna, wanted to launch her alongside his son Akshaye Khanna in Himalay Putra, but she felt she was too young and declined the role, which eventually went to Anjala Zaveri. Directed by Vikram Bhatt, it established Basu in the Hindi film industry.

Other star couples go through the same situation but they deal with it internally and don’t go around asking producers of directors to make changes in their film.

That’s so not acceptable and unprofessional wethinks.

She added "Due to my dusky skin, I was considered ugly in my younger years." In Delhi, Basu lived at Pamposh Enclave, Nehru Place, till the age of eight and studied at Apeejay High School.

She remarked "As a child, I was a tomboy and I was pampered a lot, due to which I became very naughty.

Basu's first leading role was in the blockbuster horror film Raaz (2002), which earned her a nomination for the Filmfare Award for Best Actress.

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Award for Best Female Debut]] for her debut film Ajnabee in 2001]] One of the judges of the Godrej Cinthol Supermodel Contest in which Basu participated, Vinod Khanna, wanted to launch her alongside his son Akshaye Khanna in Himalay Putra, but she felt she was too young and declined the role, which eventually went to Anjala Zaveri. Directed by Vikram Bhatt, it established Basu in the Hindi film industry.

Other star couples go through the same situation but they deal with it internally and don’t go around asking producers of directors to make changes in their film.

That’s so not acceptable and unprofessional wethinks.

She added "Due to my dusky skin, I was considered ugly in my younger years." In Delhi, Basu lived at Pamposh Enclave, Nehru Place, till the age of eight and studied at Apeejay High School.

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