Which of the following is India's highest civilian award?

Group of Monuments at Hampi is located in?

Which nation won the highest number of medals at 2016 Rio Olympics?

Who invented the hot air balloon?

______________ scheme by the Central Government aims at providing affordable aviation by making domestic flight charges economically accessible for middle-class citizens of India.

__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its ___________.

Chemical formula for sulphurous acid is: