Hey Sulficar,

Getting a score of around 700 will fetch you a rank of 1000 in the KEAM examination. For more information you can visit the link provided by the career 360 below:

https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=2ahUKEwicu6y9ts3hAhUFiHAKHUXSCgkQFjAAegQIAxAB&url=https%3A%2F%2Fengineering.careers360.com%2Farticles%2Fkeam-exam-pattern&usg=AOvVaw1MZUZuG4qKtaeKaWlFBK6y

Good luck !