Who among the following has been appointed as the chairman of the Atomic Energy Regulatory Board?

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

On which of the following days is National Youth Day celebrated every year?

Justice Manoj Kumar Gupta has been appointed as the Chief Justice of which of the following High Courts?

Which of the following states has launched the Sanskar Shala initiative to focus on value-based education for children aged 4-14 years?