Rishan kacha mma aha pụtara: Oge a, Enyi na enyi, Ifịk, Eru, Enyịn. Nweta Rishan pụtara aha.
Mareedu kacha mma aha nna pụtara: Oké njọ, Ifịk, Emesapụ aka, Iwe, Okike. Nweta Mareedu pụtara aha nna.
Kasị nkịtị surnames na aha Rishan: Lad, Gupte, Chakraborty, Kashyap, Sokhiya. Nweta List of surnames na aha Rishan.
Kasị nkịtị aha na aha ikpeazụ Mareedu: Nagarani, Rishan, Kiranmayee, Mouli, Srinivasa Rao. Nweta Aha na-aga na Mareedu.
Ndakọrịta nke Rishan na Mareedu bụ 82%. Nweta Ndakọrịta nke Rishan na Mareedu.