The correct answer is: C) Deccan Plateau.
Rock shelters with evidence of habitation have been found in the Deccan Plateau region of Karnataka. The Deccan Plateau is a large, high plateau that covers much of central and southern India. It is a region of ancient rock formations, and many of these rocks have been eroded over time to form caves and shelters. These shelters have provided a home for humans for thousands of years, and archaeologists have found evidence of human habitation in many of them.
The Malnad region is a hilly region in the western part of Karnataka. It is a region of dense forests and coffee plantations. The coastal region of Karnataka is a narrow strip of land along the Arabian Sea. It is a region of beaches, lagoons, and backwaters. The northern plains of Karnataka are a region of flat, fertile land. It is a region of rice fields, sugar cane plantations, and forests.
The Deccan Plateau is the most likely region of Karnataka to have rock shelters with evidence of habitation. This is because the Deccan Plateau is a region of ancient rock formations, and many of these rocks have been eroded over time to form caves and shelters. These shelters have provided a home for humans for thousands of years, and archaeologists have found evidence of human habitation in many of them.