Most well-known for his name function in the Indian tv series Shaktimaan as well as for his portrayal of Bhishma for the 1988 to 1990 series Mahabharat, Khanna also appeared in such Bollywood movies simply because Barood and Guddu. After schooling on the Film and Tv Institute of India in the first 1980s, he produced early-career performances in the movies Waqt Ke Shahzade and Roohi. He set up actor training institutions in both Agra and Jaipur, India. He was created and elevated in Mumbai, India. He and Naseeruddin Shah had been classmates on the Film and Tv Institute of India.