Add the above mentioned quality of Natural Emulsifier ( Such as ecological friendly detergent ) with  this water and stir vigorously

 ( We recommended Parker soap nut powder as natural emulsifier )

Add the above mentioned quality of Parker Neem Oil with the above concentration and stir vigorously

Add this mixture to the above mentioned quantity of water as per the sprayer type

Spray using any one of the suitable sprayer within 10 hours of mixing