The correct answer is Option 1. Explanation & Key Takeaways: • The Sahyadri range is also known as the Western Ghats. • It is a mountain range that runs parallel to the western coast of India. • The range is not straight but at many places it is curved because of the headward erosion of the Konkan rivers originating in Sahyadri. • The Western Ghats are a result of the collision between the Indian Plate and the Eurasian Plate. • The collision caused the Indian Plate to buckle and fold, resulting in the formation of the Western Ghats Related Concepts: Western Ghats • The Western Ghats, also known as the Sahyadri Hills, are well known for their rich and unique assemblage of flora and fauna. • The range is called Sahyadri in northern Maharashtra and Sahya Parvatham in Kerala. • The northern portion of the narrow coastal plain between the Western Ghats and the Arabian Sea is known as the Konkan Coast. • The central portion is called Kanara and the southern portion is called Malabar region or the Malabar Coast. • The foothill region east of the Ghats in Maharashtra is known as Desh, while the eastern foothills of central Karnataka state is known as Malanadu. • In the south the range is known as the Nilgiri malai in Tamil Nadu. • The mountains of the Western Ghats are Block Mountains formed due to the down warping of a part of land into the Arabian Sea. • The mountains of the Western Ghats are not true mountains, but are the faulted edge of the Deccan Plateau. • Major rocks found in the region include Basalt, charnockites, granite gneiss, khondalites, leptynite, metamorphic gneisses with detached occurrences of crystalline limestone, iron ore, dolerites and anorthosites.