Look at the journey time: As a general rule, the faster trains tend to have better quality rolling stock. Tip 2, avoid making short journeys on long-distance trains: It's not always easy to work out where a train has come from when booking online, but for a short hop such as Agra ...
Airline ticket pricing is based on demand supply dynamics. An airline is always trying to get maximum value for its seats, but it has to try to sell them all before departure or they will become worthless forever.Just like a grocery store that puts stuff on sale to get food out the door...