I'm an SC category student got 54.4 percentage in class 12th and applied for improvement exam can I apply for cat 2021

CAT eligibility criteria is min 50% in graduation; 45% in case of reserved category. You need to be a graduate to fill up CAT form and 12th marks won't matter for the same. For more information regarding the same, checkout: https://www.mbauniverse.com/cat