Hot air balloon a lighter-than-air craft in which air heated by a flame is trapped in a large fabric bag. It is a large balloon that is filled with heated air and that floats in the sky with a basket underneath for people to ride in. The heated air inside the envelope makes it buoyant since it has a lower density than the colder air outside the envelope. As with all aircraft, hot air balloons cannot fly beyond the atmosphere. Unlike gas balloons, the envelope does not have to be sealed at the bottom, since the air near the bottom of the envelope is at the same pressure as the surrounding air.
In modern sport balloons the envelope is generally made from nylon fabric and the inlet of the balloon (closest to the burner flame) is made from a fire resistant material such as Nomex. Modern balloons have been made in all kinds of shapes, such as rocket ships and the shapes of various commercial products, though the traditional shape is used for most non-commercial, and many commercial, applications. We are planning to expand our Hot air balloon activities throughout the Schools, Colleges and tourist spots in Kerala. we are providing our activities throughout the tourist destinations ,Schools,Colleges and other institutions in South India.