<P> On the western edge of the plateau lie the Sahyadri, the Nilgiri, the Anaimalai and the Elamalai Hills, commonly known as Western Ghats . The average height of the Western Ghats, which run along the Arabian Sea, goes on increasing towards the south . Anaimudi Peak in Kerala, with a height of 2,695 m above sea level, is the highest peak of peninsular India . In the Nilgiris lie Ootacamund, the well - known hill station of southern India . The western coastal plain is uneven and swift rivers flow through it that forms beautiful lagoons and backwaters, examples of which can be found in the state of Kerala . The east coast is wide with deltas formed by the rivers Godavari, Mahanadi and Kaveri . Flanking the Indian peninsula on the western side are the Lakshadweep Islands in the Arabian Sea and on the eastern side lies the Andaman and Nicobar Islands in the Bay of Bengal . </P> <P> The eastern Deccan plateau, called Telangana and Rayalaseema, is made of vast sheets of massive granite rock, which effectively traps rainwater . Under the thin surface layer of soil is the impervious gray granite bedrock . It rains here only during some months . </P> <P> Comprising the northeastern part of the Deccan Plateau, the Telangana Plateau has an area of about 148,000 km, a north - south length of about 770 km, and an east - west width of about 515 km . </P> <P> The plateau is drained by the Godavari River taking a southeasterly course; by the Krishna River, which divides the peneplain into two regions; and by the Pennai Aaru River flowing in a northerly direction . The plateau's forests are moist deciduous, dry deciduous, and tropical thorn . </P>

Extension of dakkan plateau is not in which state