In sericulture industry, rearing is the most important and critical phase. Silkworm rearing depends upon the prevailing climatic conditions of the place of rearing, availability of essential facilities/ materials like food plants, rearing house, appliances, equipments, etc. The eri silkworm is reared indoors and can be reared five to six times all through the year subject to availability of food plants. Unlike other silkworms, eri silkworm rearing is simple and does not require high skill. Eri silkworms (Samia ricini Donovan) are hardy and less susceptible to diseases.