While preparing at the time of exam, I will lose hope on that subject (at any cost I will not pass in this exam) and close the books. How to concentrate on studies.

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.