Which is the first underground hydropower project of Nepal?

Based on the height of mountain peaks which of the following order is corret?

Which place of Nepal is famous for Marble?

What is the mythological name of Kaligandaki River?

Which is the first hydropower built from private sector?

The famous lakes Sagarhawa, Jagadishpur, Lamba Sagar, Jakhira are located in which district ?

Which river originate from Saptatirtha ?

Which lake area of Nepal is are declared the bird sanctuary (Bird Reserve)?