New Delhi, Sept. 1 -- The Supreme Court on Monday dismissed a petition seeking mandatory disclosure of ethanol content in petrol sold at fuel stations across the country, after the Centre opposed the plea and urged the court not to entertain it. A bench of justices MM Sundresh and PB Varale said that the petitioner could approach the competent authority with his grievance instead of directly moving the top court. "Dismissed.It will remain open for petitioner to approach the competent authority," said the bench in its brief order. The petition, filed by advocate Narendra Kumar Goswami, sought directions to the central government to ensure mandatory and uniform labelling on every dispensing nozzle at petrol pumps, clearly disclosing the exact percentage of ethanol blended in petrol. The bench initially questioned Goswami's locus and his decision to approach the Supreme Court directly rather than a jurisdictional high court. Goswami, however, said consumers had a right to know the ethanol content of the petrol they were purchasing. Attorney General R Venkataramani opposed the petition, pointing out that the Supreme Court had already dismissed challenges to the government's ethanol-blending policy. Goswami clarified that he was not questioning the government's E20 policy but was only seeking disclosure of the ethanol content....