She is best known for her portrayal of Natasha in O Gujariya, Maanvi Chatterjee Sabharwal in Yeh Kahan Aa Gaye Hum and Durdhara in Chandra Nandini.
Tallwar started her career as a writer and has written many episodes for the television series Fear Files: Darr Ki Sacchi Tasvirein, CID and SuperCops Vs SuperVillains.
Tallwar achieved limelight when she played the role of Manvi Chatterjee in And TV's Yeh Kahan Aa Gaye Hum opposite Karan Kundra from 2015 to 2016.
[3] Next, she signed to play Chandragupta Maurya's wife Durdhara in Star Plus series Chandra Nandini in 2016.
[4] Tallwar has been featured in many episodic stories as a main protagonist like CID, Crime Patrol, Savdhaan India, Aahat, Fear Files: Darr Ki Sacchi Tasvirein, Adaalat, Love On The Run, Haunted Nights, Ishq Kills, Zindagi Ke Crossroads and SuperCops Vs SuperVillains .