The harmful adverse effects of inorganic pesticides have led to the emergence of Bio - pesticides. The term itself implies that bio pesticides are derived naturally. There are many plant derived pesticides, but many of them lack. efficiency. Azadirachtin, the active component of Neem oil is often used as pest repellant. The essential oil derived from black pepper corns is also often used as bio pesticide. The present invention relates to the use of a unique formulation including Azadirachtin with enriched content and black pepper oil.