RRB RPF RPSF SI and CONS Model Papers 7 with solutions

(1) The entire Northern Plains consists of alluvial soils. Covering about 45.6 per cent of the total land area of the country, these soils contribute the largest share of our agricultural wealth and support the bulk of India’s population. They are the most widespread soils, found from Punjab to Assam.
They are by far the largest and the most important soil group of India.