To demonstrate the new production technologies to farmers the front line demonstration is very important tool. The frontline demonstration were conducted during 2011-12 to 2017-18 on farmers’ field in the Zone V to show performance of soybean production improved technology recommended by Agriculture University Kota. The results of improved technologies were more remunerative to farmers as compared to farmers’ practices. Use of improved technology for soybean production helps to increase the productivity of soybean by per cent over farmers practice. In term of monetary returns, per cent increase was observed as compare to farmers’ practice. Similarly improved technologies exhibited higher value of Sustainable Yield Index and Sustainable Value Index in most of the years. | Impact assessment of improved technology on soybean productivity in south eastern Rajasthan India