Conversation so far:
Did Devika Rani elope?
Najm-ul-Hassan was also Devika's co-star in the studio's next venture, Jeevan Naiya. During the shooting schedule of Jeevan Naiya, Devika eloped with Hassan.
When did Devika Rani's elopement occur?
Jeevan Naiya is a 1936 Hindi film directed by Franz Osten, and produced by Himanshu Rai for his studio Bombay Talkies.
What movie were Najm-ul-Hassan and Devika Rani working on together?
Najm-ul-Hassan was also Devika's co-star in the studio's next venture, Jeevan Naiya.
Why did Najm-ul-Hassan and Devika Rani have to elope?
In her heart of hearts, Devika Rani knew that she could not secure a divorce or marry Hassan under any circumstances

Question: So one of them was already married?
Self-contained rewrite: So one of Najm-ul-Hassan and Devika Rani was already married?