The All India Crop Biotechnology Association (AICBA), an industry association of the major companies engaged in agricultural bio-technology in the country, has admitted that the genetically modified (GM) crop is not a foolproof technology as yet. It is still at an evolving stage, according to the association. R K Sinha, Executive Director, AICBA, who was in Ahmedabad on Wednesday, said, ”The mealybug infestation on Bt Cotton in Gujarat clearly proves the same.”