HI Sourabh Chaturvedi ,
If you are using the Radio Group widget and getting same value ( No ) on both button Yes and No.
Then first thing you check that
Both radio button value is set to " YES " for button yes and " NO " for button No


I created a demo screen please check it :
demo link :https://personal-x1ixzlcz.outsystemscloud.com/Practice/radiogroup?_ts=637940378128213317
and second thing , you mention Forge keyword in your question , so please describe some more information about forge component , if you use any forge component for this.
Thanks