Hi @Kalpaj Kuber Parmaj ,
There's not a lot of information in your question that can help us figure out what is exactly going on.
But some common problems that occur in this area are:
For the first (and most common) cause, you can review this documentation: https://confluence.atlassian.com/cloudkb/best-practices-on-using-the-resolution-field-968660796.html
I hope that helps. If not, maybe you can give some more details about the situation.
Have a nice day!