It contributed to a cumulative national farm income of $9.4 bn between 2002 and 2010

Bt cotton has delivered significant benefits to all members of the agricultural value chain in the country, and has contributed to a cumulative national farm income of about $9.4 billion between 2002 and 2010, turning India from an importer of cotton to an exporter, according to T M Manjunath, a consultant in agricultural biotechnology and integrated pest management.