Changing father caste to mothers caste

Hi sir this is chaitanya from Andhra Pradesh. my parents got married intercaste as my father is Brahmin and mother was kshatriya,both of them belongs to general (OC) category.my father recently got expired.here our problem is from my childhood i was grown up in my mothers hometown and follow the same my mothers caste but in my 10th and all qualifications where my father surname and caste was indicated but i don't follow any of the things from my fathers side as he is a Brahmin.now my question is can i able to change my father caste to mothers caste?