Meperfluthrin is a mixture of 1R Trans and 1R Cis isomers of 2,3,5,6-tetrafluro-4-(methoxymethyl)benzyl-3-(2,2-dichlorovinyl)-2,2- dimethylcyclo propane carboxylate in a specific isomeric ratio. The present invention relates to a facile, simple and industrially applicable process for the preparation of Meperfluthrin with high yield and product purity.