The movie was directed by another newcomer, R.K. Nayyar, who created her trademark look called the Sadhana trimming.In 1955, the actress was seen as a chorus girl in Raj Kapoor's Shree420. Her other flicks included Mere Mehboob, a 1963 release and "Woh Kaun Thi?" for which she received a Filmfare nomination as Best Actress. Raj Khosla roped in Sadhana in two more mystery projects, MeraSaaya, Waqt and Anita.
Mera Saaya was released in the year 1966. The movie showcased Sunil Dutt and Sadhana in the lead roles. K. N. Singh and Prem Chopra played supporting characters. Madan Mohan composed the music for the film and Raja Mehdi Ali Khan wrote down the lyrics for all songs.The honorable actress later featured in Inteqaam, Ek Phool Do Mali, and Geeta Mera Naam, which she also directed. Her other noted movies were Hum Dono, Picnic, Dulha Dulhan, Arzoo, Mehfil, and so on.