The present invention relates to a method of producing oil free snacks. More particularly, the present invention relates to the method of producing oil free snacks using various human consumable food grains like rice, wheat, gram, pulses. Moreover this invention also relates to the method of producing oil free snacks which treated with gamma rays and packet filled with nitrogen. Furthermore, this invention also relates to a method of producing oil free snacks which has the beneficial effects of having saving man power cost, reducing labor intensity, and having safety and reliability.