New Delhi, Jan. 24 -- The Delhi transport department has directed all authorised pollution under control (PUC) centres to upload clear video recordings of vehicle emission tests to the VAHAN portal, warning of stringent action against centres found violating prescribed procedures. The directive, issued through a circular dated January 21, cited widespread non-compliance, including failure to upload mandatory video clips and submission of inadequate or unclear footage. Despite the process of uploading videos being automated, centres are able to bypass the requirement by uploading unrelated content that do not show the process, according to officials of the department. "The video clip must clearly show the vehicle's number plate, the surround...