LUCKNOW, Aug. 6 -- Within weeks of its grand inauguration, the newly constructed Rs.4,200-crore Lucknow-Kanpur Expressway has faced structural distress, prompting National Highways Authority of India (NHAI) to suspend toll collections on Wednesday and initiate stringent disciplinary action against the concessionaire and monitoring officials over alleged lapses in project execution and supervision. The authority proposed to declare PNC Infratech Ltd - the concessionaire of the expressway - a "non-performer", making it ineligible to participate in future NHAI tenders. The move follows widespread complaints about damaged portions and patchwork at various locations on the expressway within weeks of its inauguration on July 13. P2...