Sadhika (Radhika) was born as the only daughter of Mr. Venugopal (Venu Sithara) and Mrs. Renuka at Kozhikode. Her father is a director, while mother an actress. Sadhika did her graduation in Business Management from Coimbatore. She completed her Post Graduation in Psychology and masters in human research /marketing. Sadhika has an interest in modeling, acting, traveling, and music. Sadhika is married to Bhibin, a businessman.