Alia Bhatt made her debut in 2012 with Karan Johar's Student Of The Year. While she failed to impress critics with her performance in the SOTY, things changed drastically once her second film was out 
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In pictures: A look at Alia Bhatt's top 5 memorable characters 

Alia Bhatt made her debut in 2012 with Karan Johar's Student Of The Year. And, while she failed to impress critics with her performance in the film, things changed drastically once her second film - Imtiaz Ali's Highway was out. Since then Alia has cemented her position strongly in the film industry. 

Team Indulge
Imtiaz Ali's Highway saw Alia leaving everyone mesmerized with her performance.
Udta Punjab saw Alia giving a gut-wrenching performance. She played a Bihari girl who migrates to Punjab to work as a labourer but soon lands herself in trouble.
Dear Zindagi was a fresh breath of air. Alia played a cinematographer who is dealing with a deeply embedded fear of abandonment.
Raazi saw the Alia Bhatt single-handedly helming the film. She played Sehmat, an undercover agent of RAW in Pakistan.
Although the film belonged to Ranveer Singh, Alia managed to leave a strong imprint with her role of Safeena Firdausi, a possessive girlfriend and an ambitious woman