Hello friends.......rice ko one year ke liye kese preserve kiya jata hai ye bata rahi hu........................15 kg rice lenge usme mustard oil ki achi tarah se masala denge .taki wo oily ho jate... 15 minutes tak fan ke nitche rakh denge fir koi bhi air tight container mai dalker rakh denge . Pure ak sal tak kharab nahi honge rice . Koi bhi tarah ke insects nahi ayenge. Mai ese hi use karti hu.