According to the report of Center for Science and Environment (CSE), which is the most polluted city among the 27 cities of NCR?

The main means of livelihood of the Aryans in the Vedic period was?

Recently, who has been appointed as the new Special Director of the Central Bureau of Investigation (CBI)?

In which country was the declaration of consumer rights?

What is the width of a broad gauge rail line?

Which one of the following places was not the center of the revolution of 1857 AD in Rajasthan?

What is the technical name of flight recorder?

Whose period is called the Golden Age of Mughal Architecture?