Astra MK-I missiles, IMSAS and BOSS systems, assigned to the armed forces, have been developed by which organization?

Alkaline solution is the value of Ph.

What is India's rank in the 'Doing Business Report 2020' after the recent update from the World Bank?

What happens in most toothpastes to prevent tooth decay?

What is the name of the first spokesperson of the Rashtriya Swayamsevak Sangh (RSS), who died recently?

The Indian cricket team has scored its lowest score in Test cricket against which team?

Which of the following is the hardest substance?

Who has been awarded the 'Assocham Enterprise of the Century Award'?