Air-India, Indian Airlines, Jet Airways have decided to waive cancellation fee levied on tickets following disruption in the flight schedules due to torrential rains lashing the city since last week.An Air-India spokesperson said the fee of $125-150 charged for cancellation or rebooking for travel from India to US and Europe has been waived considering that the rains have adversely impacted the travel plans of the passengers."Passengers proceeding to US or Europe and other destinations wanting to change travel dates may approach the nearest AI office or revise booking or resrvation without the payment of the applicable fee," A-I public relation director Jitender Bhargav said.An Indian Airline spokesperson said no cancellation or service fee is being levied since July 26.Similarly, Jet Airways chief operating officer Peter Luethi said "we are levying no cancellation fees since last Tuesday".