The strategy for the last 10 days before exam is revision, revision and revisore. Don't start reading anything new right now. Just be confident of your preparation and revise as much as possible.
Revise up all the fomulae of Math, guve a glance to antonyms and synonyms in English, stress very much on the Current Affairs and GK portion on the last 10 days. The Current Affairs portion can make or break your results.
Lastly, don't stress out. Try to stay calm and positive. You are very close to your destination just keep breathing and revising. You'll achieve your dreams successfully.
Wishing you luck!