'Koru konda' is the name of a village. People who originate from this place use it as sir name. It does not signify any particular caste.
Actually you cannot tell a proper caste for Urankar as the name suggest that they were the people Living in Uran. They could have any Caste.
Ayyanavar is not a caste name, but it is a race name. More details are available in the book "Aiyn to Ayyanavar and the Origin of Letters" by M.Kunjurajan Ayyanav
the caste name is kshatriyas, raju is not name of the caste they are the only recoginsed vedic kshatriyas of south india
schedule caste (chamar)
There is no caste to Barua, because it is a Buddhist name and the Hindu's only use the caste system.
Mulakala is a family name in Kamma caste.
Gabriel Caste's birth name is Gabriel Luis Castellanos Jr..
Dhaliwal is not a caste, it's a last name in the jatt caste. And jatts are farmers and are considered a high caste.
gaikwad are mostly marathas,can be in other caste also.indian constitution allows any person to keep any surname as he wishs irrespective of any caste
Bikki belongs to Kamma caste
By suffixing of the caste name is normally done