Which birth anniversary of C. Rajagopalachari, the first Indian Governor-General of independent India, was celebrated on December 10, 2025?

Which of India’s indigenously built nuclear-powered ballistic missile submarines is the INS Aridhaman?

Who among the following was awarded the Union Home Minister’s Efficiency Medal for outstanding service in national security?

With whom did Yogesh Wadadekar collaborate to discover the Alaknanda galaxy using the James Webb Space Telescope?

On which of the following days is International Anti-Corruption Day celebrated every year?