Question

Harit Indhan kise kehte hain

Answer 1

Harit indhan is the term given to the fuel which not producing any poisonous gases on combustion which can harm the environment or may result in green house effect.  

Harit indhan may include solar energy, wind energy etc

Solar energy can be used to lightening the street light or used for the purpose of running the vehicle based on solar cells which protects environment from the emission of poisouness gases which results in melting of glaciers..

Wind energy is used to generate electricity for villages or small cities.