I am not getting any jobs or invitations for my profile : https://www.upwork.com/o/profiles/users/_~011e3175440e8291b8/ and also for the proposals that I submit relevant to my profile.
8 to 10 months back I was receiving frequent invitations even though I don't have enough ratings at that time. Please help me out and is there any problem in my profile or JSS??
A JSS under 90% is definitely a problem, but not an unsolvable one. My first JSS was 83% because one of my first contracts had been canceled, and I survived.
You obviously have the skill. Just do your best, chose your clients more carefully (rather than letting them chose you) and you'll be fine.