Air-independent propulsion (AIP) technology transforms submarines into silent yet powerful predators of the sea.
Uttar Pradesh leads the list of states with the highest number of road accident fatalities.
Hypersonic missiles are designed to travel at speeds exceeding Mach 5.
One of the museum’s gems is a massive brick from the Satavahana period.
The Indian Railways has embarked on this ambitious venture as part of its Hydrogen for Heritage initiative.