Fedex — parcel not delivered on committed time

Address:

Mumbai City, Maharashtra

Hi, This is Deepak, i have sent one laptop from Mumbai to Bangalore through Fedex. I have asked for Delivery through flight and delivery should be on next day. But they have putted wrong commitment date and delivered parcel after 2 days. Because of that my friend has to cancel his flight. i have raised complaint but they are not able to answer and putting wrong statements. Please help.