Various factors that influence to successful of young age silkworm rearing and supply of suitable nutritious mulberry leaves as feed is important. The larval duration and larva health are most vital for the success fully of cocoon production for every rearing or crop. The qualitative and quantitative are requirements of the feed for silkworm various at different stages of larval period. In generally young age silkworm’s larva is required of rich nutritious leaf such as higher succulency, moisture and nutrient contents and others to compare on late age silkworm rearing. The good nutritional requirements silkworm larva directly obtained only from mulberry leaves. Other vital factors determining the success of cocoon crop are the health care and hygiene during the chawki rearing. Successfully of chawki rearing to require on separate chawki garden can be established by chawki farmers.