Study on Post- harvest losses,marketing cost, marketing margin, marketing efficiency and price spread in groundnut. The study was conducted for the agricultural year 2019-2020.This paper is devoted that 77kg/ha Post -harvest losses occurs at various stages of operations and also several factors effecting for losses at farm level. These losses have a direct and negative impact on the income of both farmers and consumers.Three marketing channel were found in study area.Marketed surplus was worked out 88.14 per cent. The producer's share in consumer rupee was worked out 96.84, 81.63 and 76.37 per cent in channel - I, II and III respectively. The producers share in consumer rupee was inversely with number of intermediaries. The marketing cost came to Rs. of 161,430 and 504 in channel - I, II and III respectively. Marketing margin of middlemen in consumer rupee came to 840 and 860 in channel - II and channel - III respectively. The marketing cost and marketing margin were proposinate with number of intermediaries.

Keywords : Marketing Cost, Marketing Margin Marketing Efficiency, Price Spread And Post-Harvest Losses.