Which of the following countries has approved the world’s first commercial brain-chip named ‘Neo’?

Which nucleus have physicists from Europe and China used to create the world’s first working nuclear clocks? 

Who among the following has been appointed as the Chief of Army Staff of India?

Which of the following has released the world’s most detailed 3D atlas of human brainstem, named ANCHOR?

Which temple in India has become the first temple to secure trademark protection for its significant words and symbols?