Correct Answer: (c) (ii), (i), (iv), (iii)
Solution:Coal, designated as "Black Diamond", is one of the main sources of energy. It is also known as "Fuel Mineral". Chemically, it contains carbon which gives it not only the colour but also determine its thermal capacity. According to the data for the year 2007-08, the top coal producing states were - Jharkhand, Chhattisgarh, Odisha and Madhya Pradesh. According to the 'Indian Minerals Year Book-2021 top 5 coal producing States in 2020-21 (P) were - Chhattisgarh > Odisha > Madhya Pradesh > Jharkhand > Telangana.