The National Green Tribunal has pulled up the government and private airlines for not filing <g data-gr-id="11">"satisfactory"</g> reply on the plea of a US-based neurologist against spraying of pesticides on aircraft with passengers on board. A bench headed by NGT Chairperson Swatanter Kumar granted last opportunity to the Centre and other parties concerned to file their replies in the matter. "Despite repeated requests, none of the respondents <g data-gr-id="10">have</g> provided satisfactory <g data-gr-id="8">answer</g> to the queries raised by the applicant.”