The problem UDAAN solves

Have you ever taken a flight or do you plan to? You must be familiar with the main DGCA regulation that limits the amount of luggage you can bring. Well, if you had extras, you might have decided against it or couriered them given the incredibly high airline fees, which vary according on your current weight and location.
How can they possibly charge this much? Because they can manage the aircraft weight if they are notified in advance, and because of the urgency of fuel requirements and other factors, the rates vary depending on when you make your reservation on the spot.

Challenges we ran into

writing NFT and smart contract