During Tippu's reign, Kengeri was famous centre for sericulture industry. It is learnt that Tippu for the first time bought foreign knowledge of sericulture and encouraged people to cultivate and produce the same. In 1866, Signor de Vecchi, an Italian, noticing the then depressed condition of the silk industry made efforts with the help of the government for its revival. He also made some scientific study of silkworm rearing and causes for their degeneration. To remedy these defects, silkworm eggs were imported for the first time from Japan and were distributed among the people of the trade.