Conversation so far:
Did Devika Rani elope?
Devika Rani and Najm-ul-Hassan developed a romantic relationship and during the shooting schedule of Jeevan Naiya, Devika eloped with Hassan.
Who did Devika Rani elope with.
Devika Rani eloped with her co-star Najm-ul-Hassan.
Who is Najm-ul-Hassan?
Najm-ul-Hassan was Devika Rani's co-star in Jeevan Naiya.
Was Najm-ul-Hassan Devika Rani's husband?
Devika Rani was married to Himanshu Rai.
Did Himanshu Rai know Devika Rani and Najm-ul-Hassan eloped?
What did Himanshu Rai do after finding out Devika Rani and Najm-ul-Hassan eloped?
Himanshu Rai negotiated Devika Rani's return as his wife and then replaced Najm-ul-Hassan with Ashok Kumar.
Did Devika Rani divorce Himanshu Rai?
Devika Rani returned to her marital home with Himanshu Rai.
So Devika Rani didn't end up marrying Najm-ul-Hassan?
In her heart of hearts, Devika Rani knew that she could not secure a divorce or marry Hassan under any circumstances.

Question: So what did she do then?
Self-contained rewrite: What did Devika Rani do then after not being able to marry Najm-ul-Hassan?