The Cardamom Hills are southern hills of India and part of the southern Westem Ghats located in southeast Kerala and southwest Tamil Nadu. They are not in coromandel coast. Kaimur Range is the eastern portion of the Vindhya Range extending from Madhya Pradesh to Bihar. They are not in konkan coast. The Mahadeo Hills are in Madhya Pradesh, state of central India. Mikir hills are in assam i.e. in North East India.