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

On which of the following days is International Mountain Day celebrated every year?

Which of the following has launched ‘Jal Shakti Hackathon 2025’ and Bharat-Win portal to promote innovation in the water sector?

Which of the following countries has become the first in the world to ban social media for teenagers under the age of 16?

On which of the following days is International Volunteer Day celebrated every year?