The decision marks first successful policy intervention.
The study also found that most GM foods did not disclose the fact on the label. "A few also made false claims of being GM-free," the study by CSE said.
The environment ministry is likely to allow generic modification of food crops.
A survey conducted by Business Standard reveals that a majority of the country's states are still firmly against the move, while a few are open to considering only conditionally.
BMS, BKS and SJM are trying to forge common cause with outfits on the other side of the ideological divide over the government's policies they are not in agreement with.
MPs will first attend a 'Farm Progress Show' in Iowa, then visit the Monsanto headquarters in St Louis, Missouri.
The groups, including those associated with the ruling Bharatiya Janata Party's parent organisation the Rashtriya Swayamsevak Sangh, have also threatened a big nationwide agitation if growth of illegal GM crops isn't checked.
It is regrettable that the IB has tried to devalue the expertise available both within the concerned ministry and in the scientific community by its allegations. Governments and NGOs in many western nations have not been accused of being 'anti-national' when they put their foot down on questionable practices by cash rich agri-business companies, says Rashme Sehgal.