Sadiya Siddiqui began her acting career in the early 1990s, making her film debut in Little Buddha (1993) and Kabhi Haan Kabhi Naa (1994). She rose to fame with her role as Priya in Zee TV’s Banegi Apni Baat, which established her as a household name. Her versatility was further highlighted in Balika Vadhu (2008–2013), where she played Sandhya, a role that earned her the Indian Television Academy Award.
Over the years, Sadiya has appeared in films such as Drohkaal (1994), Hazaar Chaurasi Ki Maa (1998), Raghu Romeo (2003), and Shabd (2005). On television, she has been part of popular shows like Byomkesh Bakshi, Tu Sooraj Main Saanjh, Piyaji, and Barrister Babu. Known for her natural acting style, she continues to be admired for her ability to portray complex characters with depth and authenticity.