Lot of factors, ranging from climate variability, frequent natural disasters, uncertainties in yields and prices, weak rural infrastructure, imperfect markets and lack of financial services including limited span and design of risk mitigation instruments such as credit and insurance have affected Indian agriculture which in turn has affected the farmer's livelihood and incomes in India. In order to avoid the agriculture risks government and private insurance company are introducing varieties of insurance scheme. These schemes will reduce the financial loss occurred through weather vagaries in agriculture sectors. In the present day's insurance can be divided into two categories namely Crop insurance and weather index based insurance. The present article mainly focuses on impact assessment of weather index based insurance in Karnataka. The primary data was collected through random questionnaire and the secondary data regarding weather index based insurance of five districts namely Chitradurga, Dharwad, Shimog, Davangere and Tumkur were collected from Agriculture Insurance Company of India Limited. Comparative study was made between these data to know the impact of WIBI on cotton farmers. It was observed that cotton farmers in Chitradurga, Dharwad, Shimog, and Davangere, districts show more positive perception than Tumkur district
