With the view to bring the tribal areas or people of the country in the mainstream of economic development, the State Government has made significant efforts and started various activities for them. Accordingly, Tribal Area Development Programme (TADP) was taken up, on a pilot basis in 1964 under central sector plan scheme of the Ministry of Agriculture focusing on basically meant for family - oriented income - generation schemes in the sectors of agriculture, horticulture, minor irrigation, soil conservation, animal husbandry, forest, education, cooperatives, fishers of TADP included in the study were Agriculture Implements and Tools Distribution, Vegetable Development Programme, Livestock Development Center and Development of Whole (Agriculture) Tribal Villages. From time immemorial, agriculture has been a way of life and it is the principal sources of livelihood for more than 55 percent of the population of this country which includes huge part of Tribal population. The study was undertaken with the objectives to study the structure and functioning of Tribal Areas Development Programme (TADP) in Udaipur District, to find out the knowledge and adoption of improved practices promoted under agricultural services of TADP among the beneficiaries, the extent of income generation and improvement in quality of life of the beneficiaries, opinion of beneficiaries towards agricultural services promoted under TADP and to explore the constraints faced by the beneficiaries of the TADP.