@hari20790 sounds like either your hinges are starting to "gum" up and are hard to open, which will pull on the screws that hold it to the case. You could try something like a few drops of some sewing machine oil on the hinges to see if that frees them up a bit and changes the behaviour. If not, then it might be time to think about replacing the hinges.
Since there are no specific guides for the hinges, check through some of the YT videos https://www.youtube.com/watch?v=2Ur5s91F...
like this] or this guide Asus VivoBook F1502ZA-SB33 Back Cover Replacement to see how to get into your laptop. After that you will have to experiment a bit. If you are stuck somewhere, post a couple of well focused images with your question so we can try and help you further.
Here is the guide for that Adding images to an existing question
While you work on your laptop, take lots of pictures. Once you are done with it, take those pictures and create a guide for iFixit. That will help the next person that has a device with the same issues as you do. It's easy and fun to create these guides. https://ifixit.com/Guide/new The iFixit community will appreciate this.
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