Happy Monday @Shaily_Singh 
Please have a look at this post where I explain how you could achieve that.
We also have a few threads in the #productfeedback category. In case you haven’t yet, I would suggest you to comment and vote.
https://forum.asana.com/t/view-all-progress-and-activity-for-an-entire-project-under-activity/54665/5
I’ve realized you have created two threads regarding this topic so I’ve gone ahead and remove one to avoid duplications. I hope you don’t mind 
Please let me know if there is anything else I can help you with!
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