Explanation:

Statement 1: This race is one of the dominated race in India. Mediterranean is divided into three types.They are (a) Palaeo-Mediterranean (b) Mediterranean, (c) Oriental.The Palaeo-Mediterranean: This racial type is represented by the Tamil and Telugu Brahmins of the South.The Mediterranean: People of this racial type are believed to be the builders of the Indus valley civilization.
Statement 2: People belonging to this race are found in Sourashtra, Gujarat and also Bengal. The Parsees of Bombay also are the representatives of this racial type.
Statement 3: People of this racial ancestry are mainly found in North-Eastern India.
Statement 4: The Proto-Austroloid is also known as the Pre-Dravidian race. Dr. Guha says that the tribal population of central India is fairly dominated by this racial element. The Santhals, the Mundas, the Juangas, the Soaras, the Kondhs are some of the many tribes belonging to this racial type.