Complex sentence: Most Ashtagrama Iyers have a good knowledge of Kannada and sometimes Telugu (Kolar being on the Karnataka-Andhra Pradesh border) though at home, a dialect of Tamil is spoken which varies significantly from the way the other Iyers speak.
Split into simpler sentences: Most Ashtagrama Iyers have a good knowledge of Kannada and sometimes Telugu (Kolar being on the Karnataka-Andhra Pradesh border). Also a dialect of Tamil is spoken which varies significantly from the way the other Iyers speak.