sir can an average student can crack IIT jEE since it is one of the hardest engineering entrance exam, those who have the potentiality to solve all the hard question by its own only he or she can crack IIT JEE?

Dear student,

Believe me its not tough at all, even I have seen below average students clearing IIT JEE. Its just that you have to leave everything and focus on your goal, strive each and every moment to acheive it. Handwork and determination is the key to success.