The study on front line demonstration was conducted in Mungeli district of Chhattisgarh during 2017-2018 and 2018-2019. The demonstration was conducted at 10 farmer's field according to recommended package of practices of ICAR-Central Coastal Agricultural Research Institute, Goa. The demonstration was carried out with the objective to provide improved variety of Elephant foot yam and production technology to farmers with the aim to increase their income. The outcome of the study revealed that the average maximum demonstration practice yield was recorded 346 q /ha, whereas in farmers practice the yield was 236 q/ha. The percent increase in yield over farmer's practices was recorded 49.47. The average technology and extension gap were computed 220.50 q/ha and 118 q/ha respectively. The demonstration gave higher average net return Rs. 923250/-And B: C ratio is 2.84. The result showed that yield can be increased by adopting improved variety and recommended package of practices.