In Chennai, flight operations remain unaffected. Airport officials said flights left on schedule for various destinations, including Delhi and Mumbai.

However, waste material remained uncleared at the international arrival terminal and domestic arrival and departure terminals with the maintenance workers participating in the agitation.

But there was no such problem in the international departure terminal in Chennai airport as the work there was being done by private contractors.

In Mumbai, an airport spokesman said flight and airport operations were unaffected. Image: An aerial view of the 76-year-old Begumpet airport which could be closed on March 16 with the commissioning of the Hyderabad International Airport at Shamshabad.