Kolkata, Dec. 8 -- West Bengal Chief Minister Mamata Banerjee Monday launched a sharp attack on the BJP-led Central government over the ongoing Indigo flight disruptions which has thousands of flights cancelled over the last seven days, accusing it of enforcing new aviation rules without any contingency planning and pushing thousands of passengers into chaos.

Speaking to reporters outside Kolkata airport before leaving for a two-day visit to North Bengal, Banerjee said the aviation sector crisis could have been avoided had the Centre allowed airlines 15-20 days to prepare alternative arrangements.

"Most flights have been stopped without any planning. It is very unfortunate," she said, adding that airfares on the few operational flights ha...