No kulalar and udayar are not same caste parkavakula udayar (malayaman and nathaman clans) using this title from ancient cholas period parkavakula udayar(warrior and landlords) living around cholamandalam, but kulalar is an pot making caste they usually exist around western Tamilnadu they have title mannudayar ,they also sometimes known as udayar , this is the reason for your confusion
Yes they are from the same caste
No, ofcourse not. They are a subcaste to khatri (punjabi: meaning kshatriya) caste. Kind of same as Kapoor. So infact they are upper caste.
NO
No
Yes they are same these are both of Kurmi, Hinduism Caste..mainly in Jharkhand, W.Bengal, Orissa & Bihar.
Yes, they share the same gotras as brahmin gotras.
gujar caste kaun si comunity me aate hai
Thandan and Thiyya castes. are different thandan caste is the name also used as a synonym for another distinct caste group, being the Ezhavas of the same region.
Napa or any surname is belongs to "Human" caste. Please do not see caste/religion/race. All human beings are born in the same way but why the hell caste/religion came. Caste/religion are created to guide the human beings to live better life not for marrying the girl in the same religion/caste.
Nope. Hatagar caste in karnataka comes under lingayat. and hatkar caste in maharastra comes under Dhangar
No.