Vegetable production is an important component of hill farming system. The incorporation of vegetables in the farming system has been the thrust for farmers, governmental and non-governmental stakeholders for nutritional and income security. Sikkim, an Indian state, has its policy of organic farming and vegetable cultivation especially in peri-urban areas and it is the most striking proposal for the state which comprises of a majority of marginal and small farmers. Despite the adoption of available technologies and recommended package for crop cultivation, there always exists the potential yield gap between the farmer’s field and the research station. The findings revealed that highest percentage of respondents (86%) perceived the bio-physical constraints- the pest incidence followed by inadequate irrigation facilities (66.7%), weed problem (60%), High cost of seeds (53.3%), Lack of quality seeds (46.7%) and Non-availability of improved seeds (43.3%), Labour scarcity and high labour wages, non-availability of credit, low market value, non- availability of suitable inputs as the major socio-economic constraints. Amongst the technological constraints, lack of confidence, Lack of knowledge, Lack of suitable technologies and Lack of technical backstopping were the major constraints. Non availability of crop insurance, Lack of marketing facilities, adequate extension personnel, insufficient training programme and weak extension system were perceived as the major institutional constraints.

Keyword: Constraints; Vegetable; Sikkim; Hill;