India, Nov. 9 -- Karnataka minister Rizwan Arshad on Monday said that the state government stood by its findings that petrol samples collected from across the state contained more than the prescribed 20% ethanol, as it accused three oil marketing companies (OMCs) of failing to disclose the ethanol blending content in their laboratory reports.

Talking to reporters, the minister for food, civil supplies, consumer affairs and legal metrology said the government will not withdraw its findings that OMCs were blending more than the prescribed 20% ethanol in petrol, with some samples showing levels of up to 31.2%.

"The Government of Karnataka stands by its report and claims that oil marketing companies are blending more than 20% ethanol in pet...