She started her career as an intern with film makerKetan Mehta. Later she was the Chief Assistant Director on the film Aar Ya Paar where she was also the voice of Kamal Sidhu.
She debuted as a writer and director on Indian Television with the prime time TV series Hip Hip Hurray on Zee Tv. The story is based on the lives of 12th grade students, their adventures, their fears and hopes, and their relationships and interactions. The show is considered to be a cult hit to this date.
She then moved on to direct the prime time drama miniseries Hubahuon Sony TV.The story revolves around a pair of twin sisters who exchange places for a lark but end up getting intricately involved in each other's lives. Hubahu starred Sandhya Mridul in the lead who played the double role of twins Aditi and Ananya who exchange lives. It also starred Rajat Kapoor, Mohan Kapoor and Suchitra Pillai.
After the success of the shows Hip Hip Hurray and Hubahu she co-directed the action adventure miniseries Time Bomb 9/11 with Ketan Mehta.
She then directed the TV miniseriesMahi Wayon Sony TV produced by YRF Television. The story traces the journey of a large girl Mahi Talwar,essayed by Pushtiie Shaktie, who is a target of body shaming and who also struggles with her own insecurities and rejections.The show is an amazing journey of self-discovery as Mahi finally embraces her true self amidst all odds and crumbling relationships.
Nupur debuted as a director with the film Mujhse Fraaandship Karoge which was produced by Y - Films, the youth banner under Yashraj Films. Mujhse Fraaandship Karoge is a young teen film that explores today's obsession with the online world that constantly clashes with the real world and the tussle between them. It unanimously got excellent reviews. Midday called it "A fantastic debut by Nupur Ashtana, who has managed to keep the movie light and breezy just like the relationships and friendships in campuses generally are.”
She directed the romantic comedyBewakoofiyaan which was produced by Yashraj Films. The film stars Sonam Kapoor, Ayushmann Khurranna and Rishi Kapoor.
She directed another miniseries Romil and Jugal on Alt Balaji. The show is a modern, homosexual, spin on the classic tale of Shakespeare's Romeo-Juliet where Punjabi playboy Romil and shy Tam-Brahm Jugal come to terms with their sexuality and face the orthodox society. The show was greatly appreciated for breaking the stereotypes and received rave reviews by both the audience and the critics.
