The present invention is directed to a storage stable insecticidal composition comprising one or more Chloronicotynyle compound, in an amount ranging from 0.1 to 5% by weight of the composition, one or more compounds falling within the group of Organophosphorus compounds in an amount ranging from 30 to 75% by weight of the composition and 69.9 to 20% by weight of conventional agriculturally acceptable carrier(s) and excepient(s) along with the process for obtaining the storage stable composition. At least one of the active ingredients is provided with a coating of a water soluble polymer.