In the movie, the 22-year-old actress played a girl who develops stockholm syndrome after being abducted.
The Imtiaz Ali-directed film also featured Randeep Hooda in the lead role.
"Your love just makes my day, year, life!!! #2YearsOfHighway .. A journey and experience that'll always give me goose bumps!," Alia posted on Twitter.
The actress will be next seen in "Kapoor and Sons", in which she stars opposite Sidharth Malhotra and Fawad Khan.