When did the Union of Soviet Socialist Republics come into existence?

In North India, what is called the plain plain spread over the sub-Himalayan region?

Sesher poem is the composition of which of the following?

Who was the first Indian to receive Nobel Prize?

The official language of which state of the country is English?

In whose court was Ashvaghosh?

In which year 'Atomic Energy Commission' was formed?

Bhimbetka Cave is in which state?