If you really want to crack any exam it depends on your will. You should be dedicated and self motivated to crack your exam. 

Set your goals and work to acheive them.

Be positive you can take guidance from your teachers and family they will motivate you.

Set your time table make proper strategy. You can also set your targets according to your strength and weakness. 

Always remember students who get first rank are just like you what make them different is proper planning and dedication.

All the Best!!