Central Pollution Control Board (CPCB) has ranked which three states first, second and third among 112 most polluted sites in the country?

Who is to become the Goodwill Ambassador of the Indian contingent at the 2020 Tokyo Olympics?

Which is the largest port in India? 

Which city's police has recently planned to install Audio traffic signals for visually challenged people?

Who among the following was the first woman judge of the Supreme Court?

Who has been named the brand ambassador of the campaign ‘Beti Bachao-Beti Padhao: programme launched in January 2015 ?

January 14 Which festival is being celebrated in different parts of the country?

With whose cooperation was the Durgapur Steel Plant established?