The details available in the public domain so far do not make for a thriller or the agro-apocalypse scenario that is getting people worked up from the Lok Sabha to the gram sabha level in India. So what is it about Bt brinjal that bothers the farmers, scientists, policy makers and the Bt crop producers alike? The one-word answer to that question is ”impact”. The impact of introducing a genetically modified food crop in the agro-ecosystem has neither been independently quantified nor calibrated.