Which of the following countries has become the first in the world to commercially produce bio-bitumen for road construction?

Scientists from which of the following countries have developed the first supercomputer-driven simulation to understand the Mpemba effect?

In which of the following states was the 25th All India Major Ports Cultural Festival held?

From which of the following states was the third-generation fire-and-forget man-portable anti-tank guided missile successfully tested?

Which sport did India’s Asian Games gold medalist Jinson Johnson, who recently announced his retirement, compete in?