South India South India South India is the area including five Indian states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu and Telangana as well as three union territories of Lakshadweep, Andaman and Nicobar Islands, and Puducherry, occupying 19% of India's area (). Covering the southern part of the peninsular Deccan Plateau, South India is bounded by the Bay of Bengal in the east, the Arabian Sea in the west and the Indian Ocean in the south. The geography of the region is diverse with two mountain ranges–the Western and Eastern Ghats, bordering the plateau heartland. Godavari, Krishna, Kaveri, Tungabhadra and Vaigai rivers
Naturaliste Plateau Plateau formed during the Early Cretaceous 136 Ma when Australia and India broke up and during the Late Cretaceous 83 Ma when Australia and Antarctica broke up. Lavas and intrusive rocks on the plateau flanks have ages of between 132-128 Ma . The eastern flank of the plateau slopes relatively gently, while the other three flanks are relatively steep. The southern flank formed during the Australia-Antarctica break-up, the other flanks during the rifting between India and Australia. The continent ocean transition (COT) is wide on the north side and on the southern side where the plateau is flanked by the