Gidwani made her television debut in 1984 on the TV soap Trishna, and during the 1980s and ’90s, gave some memorable performances in TV serials like Swabhimaan, Air Hostess and Junoon. She caught a lot of attention after her kissing scene in bed with actor Raj Zutshi in Junoon. She recently appeared in multi-starrer Hindi serials Kaashish and Kulvadhu. In 1997, she played the role of a Hindustani classical singer, Pallavi, who struggles to get her voice back after losing her mentor/mother, in Dance of the Wind . The role won her Best Actress Award at Three Continents Festival, Nantes.
In 2001, she was roped in by Wills Lifestyle, an apparel chain owned by ITC Limited, to promote Wills Sport Lifestyle brand of clothing. In 2006, she also acted in a play, Your Place or Mine by Darshan Jariwala.
She also did a play, Sock ’em With Honey, where she played a traditional Parsi woman from Pakistan, whose daughter falls in love with a Jew, prompting her first trip abroad.