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By Our Special Correspondent
A former Director of Indian Agricultural Statistics Research Institute, Prof. Narain's original research in statistical genetics and application of statistics in crop and animal sciences was very well received by the scientific community. He developed a new concept of average time taken for the fixation of a gene in finite populations, which found useful application in animal breeding and evolution. He also introduced the method of conditioned diffusion equations, parallel to famous Fokker-Planck equations used in physics, in relation to population genetic problems. The book written by Prof. Narain on Statistical Genetics is used as a text-book as well as extensively referred to by advanced research workers in both Indian as well as foreign universities. It explains the principles of population and quantitative genetics. He has made significant contribution in mathematics of genetic diversity and statistical genomics also. Prof. Narain was also a member of the National Statistical Commission, an apex body constituted in January 2000 to revamp the Indian statistical system.
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