An assessment of improved production technology of rapeseed mustard was conducted in Hamirpur district of Himachal Pradesh during 2018-2019 through frontline demonstrations. Ninety farmers of 14 villages of Hamirpur district in Himachal Pradesh were provided seeds of rapeseed mustard (Gobhi Sarson GSC-7) during November, 2018. The crop was harvested in February-March, 2019. One Kg seeds yielded 250 Kg mustard seeds with a benefit to cost ratio of 1.75. This technology has proved great boost to enhancement of agricultural income and sustainability of farming under rain-fed agro-ecosystem.