Who Invented Laser?

To whom did Akbar gave the title Mian?

Indus Valley Civilization was a __________ age civilization.

Seoul is the Capital City of _____ .

Earth's crust mainly contains ______.

Sabrimala is a Hindu pilgrimage centre located in which Tiger Reserve area?

_________ is a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole.

Which type of pathogen causes the water­borne disease Hepatitis­A?