Explanation:

iv   iii   i   ii

The alluvial soil occurs mainly in the Satluj- Ganga- Brahmaputra Plains. They are also found in the valleys of the Narmada, Tapi and in the Eastern and Western coastal plains. These soils are mainly derived from the debris brown from the Himalayas.
Red soil This soil developed on Archean granite occupies the second largest area of the country. They are mainly found in the Peninsula from Tamil Nadu in the south to Bundelkhand in the north and Raj Mahal in the east to Kathiawad in the west. This soil is also known as the omnibus group.
Black soil Black soil is also known cotton soil and internationally it is known as ‘Tropical Chernozems’. This is the third largest group in India. This soil is formed from rocks of cretaceous lava. This stretch over the parts of Gujarat, Maharashtra, Western parts of Madhya Pradesh, North- Western Andhra Pradesh, Karnataka, Tamil Nadu, Rajasthan, Chhattisgarh.
Laterite soil These soft, when they are wet and ‘hard and cloddy’ on drying. These are found mainly in the hills of the Western Ghats, Raj Mahal hills, Eastern Ghats, Satpura, Vindhya, Odisha, Chhattisgarh, Jharkhand, West Bengal, North Cachar Hills, and the Garo hills.