India has the second largest tribal population in world. Tribal people, scheduled castes and tribes constitute the poor and weakest section of India’s population. Orissa is the 9th largest State with an area of 155,707 km2, and 11th largest in terms of population with 41.94 million people, about 3.47 percent of India‟s population, as per the provisional estimates of 2011 census. In the development of the tribal areas, the cooperatives, of late, have been playing an important role, provision of credit, marketing and procurement of tribal produce, distribution of agricultural inputs, fertilizer, consumer goods etc, are all under taken by the cooperatives in tribal areas. The objective of this paper is to critically review major tribal policies, programmes and an impact study on the socioeconomic status of the tribal’s resulting from the service rendered by the LAMPS in Odisha. The paper also tries to review various methods i. e the quantative measurement and qualitative assessment of the services rendered by the LAMPS, the pattern of financing to the tribal’s and conducting an impact study on the economic status of the tribal’s resulting from the service rendered by the LAMPS in Mayurbhanj district in Odisha.