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Indian Mustard is an important oilseed crop of Haryana. It is also one of the most important oilseed crops of Ambala district of Haryana. Krishi Vigyan Kendra, Tepla, Ambala conducted 37 frontline demonstrations of Indian Mustard. Frontline demonstration (FLD) is one of the most powerful tools for transfer of technology. Keeping in view of an effective extension approach of FLDs for dissemination of Indian Mustard, an impact assessment of FLDs conducted by KVK, Ambala was assessed. The results were compared between FLD plots & control plots. The FLD on Indian mustard registered 14.80 percent higher yield over farmer's practice on an average. The highest yield (12.75 qt/ha) was recorded in 2009-10 in FLD, which was 21.75 percent more yield over the farmer's practice (10.00 qt/ha). Average extension gap was recorded 1.60 qt/ha and average technology gap was recorded 7.18 qt/ ha. The technology index ranged from 22.96 percent to 64.14 percent. The results indicated that the frontline demonstration made a good impact on the farming community of Ambala district as they were motivated by the new agricultural technologies applied in the FLD plots.

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The present study is an attempt to assess the silkworm cocoon production and its profitability in five taluks of Kolar district of Karnataka through structured survey during 2012-13. The sample comprised of 120 families consisting of 440 members with an average of 4.40. The number of adult male and female members constituted 46.14 and 33.41 per cent respectively and the rest were children. The number of illiterates in the sample was to the tune of 33 per cent. Out of total acreage wetland constituted 27.36 per cent while garden land formed 14.53 per cent. The total cost incurred for rearing of 8,000 DFLs per year was worked out to be Rs. 7,30,224. Among the total cost, maximum cost was incurred towards the mulberry leaves Rs. 4,55,000 (62.30%). The minimum cost of expenditure was incurred towards transportation and marketing Rs 5000 (0.68 %) and other costs were to the tune of Rs. 500 (0.06%). The total net earnings from 10 batches per year was estimated to be Rs. 19, 04,000 per 8,000 DFLs per year with a benefit cost ratio of 1.59. The total investment on building and equipments for rearing of 8000 DFLs per year was worked out to be Rs. 46,874. Among the depreciation cost incurred towards the equipments for rearing of 800 DFLs, the highest was contributed by mountages Rs. 25,600 during the silkworm cocoon production activities.