In a big relief to the owners of old vehicles, the Supreme Court secured the owners of old petrol and diesel vehicles. The direction came after the Delhi govt challenged a 2018 order that banned older petrol and diesel vehicles from plying on the road.

While India celebrates space missions and technology milestones, a quieter crisis is unfolding in its classrooms-one that could define, or derail, the nation’s scientific future.

Once launched, India will become the fifth country globally to deploy trains powered by hydrogen technology. Which countries have already launched such trains?