I am ahir and my father is a farmer and my mother is a housewife so I belong to bca or bcb category.
Hey himanshi,
Reservation is not decided by your parents work it is decided by caste. As you and your parents are Ahirs so according to haryana government you are of BC-B category. For confirmation please go thorough this link
https://teacherharyana.blogspot.com/2013/03/haryana-new-list-of-bc-bc-b-sc-bc.html?m=1
Good Luck.