In Morigaon district Assam, 716 demonstrations on High Yielding Variety (HYV) of toria TS-38 were conducted during five consecutive years. The study revealed that the yield of toria with HYV and improved production technology has been increased significantly as compared to local varieties and farmer’s practice. The demo yield was obtained in range from 9.5 to 12 quintal/hectareagainst 5.5 to 8.4 q/ha. The percentage increase over farmer’s practice was obtained from 26.67 to 72.73%. the average technology gap, extension gap and technology index were found to be -0.9 q/ha, 3.62 quintal/hectareand -9.00 quintal/hectarerespectively. Introducing high yielding varieties with improved production technology, the yield of toria can be enhanced to a great extent with economic conditions of farmers of the community.
