Consider the following statements about the Aravalli Hills: (1) The Aravalli Hills are among the oldest mountain ranges in the world. (2) Mount Abu, the highest peak of the Aravallis, rises above 1700 metres. (3) Zawar mines demonstrate that India was the first country to master zinc extraction. (4) The Aravallis are rich in fossil fuels such as coal and petroleum. Which of the above statements are correct? (a) 1 and 2 (b) 1, 2 and 3 (c) 2 and 4 (d) 1, 3 and 4