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Need of GM hill banana: In whole world, South India esp. in Tamil Nadu Hill bananas (two ecotypes (AAB) namely, Virupakshi and Sirumalai) are grown at a height of 2000 to 5000 feet with well distributed annual rainfall of 1250-1500 mm in the lower palaini hill, sirumalai and Kolli hills. Hill bananas are known for their special flavour and long shelf life, are unique to the state of Tamil Nadu. Hill bananas are perennial in nature, cultivated along with coffee and pepper also as a multitier system. Hill bananas are highly susceptible to banana bunchy top virus (BBTV). BBTV has been the sole cause for reduction in hill banana cultivation from 18,000 ha in 1970s to a mere 2,000 ha at present. None of the strategies now available are able to completely protect hill bananas against the virus. The improvement of this crop through conventional breeding has not been successful. Only the way to manage this virus through Genetic engineering and RNAi technology. Cost of per fruit: 7-8 Indian rupees Cost of per Kg: 65-70 Indian rupees PhD Work was done: 2006-2011 by: Dr.S.Elayabalan PhD (Biotechnology) Documentary film Vedio, music, Background voice and edited by Dr.S.Elayabalan Contact:balabiotech@gmail.com This work was awarded by Best Dissertation Award 2010 for the Best PhD Dissertation with special reference to banana and Plantain by NRCB, ICAR, AIPUB and Bioversity International.