Question Summary:
Can a person make a promise and not fulfil it in a compulsion situation?

Question Detail:

 
My qusestion is. If anyone can force someone to make promise by threatening to kill or hurt him or her self .But the person dont want to make promise at all but to over come that situation and by compultion that promise was made. 

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykumwa-rahmatullāhiwa-barakātuh.
In order for us to answer your query we need to know what the promise was.
And Allah Ta’āla Knows Best
Zakir Husain
Student DarulIftaa
Michigan, U.S.A 
Checked and Approved by,
Mufti Ebrahim Desai.