Conversation so far:
When did Devika Rani elope?
Najm-ul-Hassan was Devika's co-star in Jeevan Naiya. The two co-stars developed a romantic relationship, and during the shooting schedule of Jeevan Naiya, Devika eloped with Hassan.

Question: Was their marriage successful?
Self-contained rewrite: Was Devika Rani and Najm-ul-Hassan's marriage successful?