She will be seen playing a young Muslim girl in the film, which also stars Ayushmann Khurrana.
"I was recently chatting up with a friend to whom I mentioned about 'Agra ka Daabra'. Interestingly, she happened to be originally from Agra. She was visiting her family and invited me to go with her to the city.
"I thought it would be a great opportunity to research and learn more about the place for my character in the movie," Taapsee said in a statement.
Directed by Shoojit Sircar, the movie is expected to go on floors February 2015.