Which country is the world's happiest nation in UN's World Happiness Report of 156 countries?

When is 'World Toilet Day' celebrated every year?

World Lion Day is celebrated on which of the following days?

Recently, PV Sindhu has become the first Indian woman to win how many medals in Olympics?

Which bank has recently launched 'Insta Click Savings Account' service?

Former Maharashtra CM and Congress leader died, what is his name?

The Ministry of HRD has directed the National Institute of Open Schooling (NIOS) to initiate a unique method to ensure effective schooling to reach the unreached directly at doorstep. NIOS has initiated which platform of MHRD for various subjects from class 9th to 12th?

Who has been appointed as the Chairman of the Tata Company for its Tata Consumer Products?