GM crops are being cultivated for the last 15 years in many countries and culminating in the last year, GM crops were planted in more than 1 billion hectares (b ha) by nearly 15 million farmers. In India, about 6.3 million farmers cultivated Bt cotton last year (http://www.isaaa.org) in more than 9 million hectares (m ha) for protection against the ravages of the most devastating cotton pest, the American bollworm, Helicoverpa armigera.