Whats the cast of sur name shavukaru?

i dnt knw my caste properly as i dnt care abt it, and i dnt want to ask my parents or like that, i was named 'vaddi' in my certificates in caste block. When i was asked ques that whats ur cast, im telling them as vaddi, bt the people are not recognising it and asking whats it. Its being insult to me tell me some thing frnds