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India is the only country producing all four types of silk -- mulberry, eri,tasar and muga -- with mulberry alone accounting for about 90 per cent of the total silk production, a report said.
According to National Bank for Agriculture and Rural Development (NABARD), the estimated annual silk production in the country was 18,000 tonne.

With domestic demand at 25,000 tonne per annum, most of it is met through imports from countries like China and Brazil. The Central Silk Board notes sericulture had better prospects in developing rather than advanced countries.

Silk production in Japan and South Korea had been declining steadily. Even in China, the largest silk producer, the tropical climate was confined to its southern region where continuous production of mulberry leaf was possible, the report noted.

However, in India, sericulture enjoyed good prospects due to tropical climate enabling the farmers to raise about four to six crops in a year.

According to a recent analysis, the total demand for silk in the country by the end of 2011-12 was assessed as 39,300 tonne. This required domestic raw silk production of 28,000 tonne as against the current 18,000 tonne.

NABARD said Andhra Pradesh, one of the leading states in sericulture, was playing a pivotal role in the development of rural economy by providing sustainable income. The state had emerged as the second largest producer of mulberry cocoons in the country after Karnataka.

A study by NABARD Consultancy Services (NABCONS) during 2004-05 also showed huge potential for promotion of sericulture sector in Andhra Pradesh.