Why is urban heat island relevant to the UPSC exam? What is the significance of topics such as the global navigation satellite system, Houthis, and sonic weapon on both the preliminary and main exams?

The artwork features Sunita Williams and Butch Wilmore lying on mobility aids after exiting their capsule, smiling and waving ...

Three men defaced the 'Akbar Road' signboard in Delhi, claiming retaliation for the alleged vandalism of Maharana Pratap's ...