please go through the para context in book i hope you know the difference between fact and speculation fact is what u see or have proof and speculation is diff thing doesnt come any near to fact i have kept the fact what mr thurston saw by his eyes and he speculated by mixing telugu castes at a single instance it is not accepted by telugu historians please go thru entire context in thurstons u will know better how confusion he was while mixed castes all the reqd justifications arguement r in talk page i hope it clarifies you