Only Bramhins
The surname Guntur is of Indian origin, specifically from the state of Andhra Pradesh. It is likely derived from the name of the city Guntur in Andhra Pradesh. The surname may have originated from people who lived in or had connections to the city.
People with surname Hans Belong to schedule castes.
Nayee Brahmins have bayavarapu surname, don't know about other castes.
i think kammas have that surname
Kalinga.
kamma
no, they belong to upper castes, mostly from Brahmins, Kshatriyas castes across India and Nepal Region.
Kshatriyas
Mierda
No they are brahmins
Kapu (telaga)
kamma