Which of the following is the hardest natural substance found on Earth?

The 'Green Diamond' agreement, signed in early 2026, is a bilateral partnership between India and which country focusing on high-tech semiconductor manufacturing?

The value of a diamond is proportional to the square of its weight. If a diamond worth ₹64,000 is broken into two pieces in the ratio 3:5, what is the loss incurred?

Which Indian athlete became the first to win a Diamond League trophy in the Javelin Throw event?

In which city is the 'Indian Diamond Institute' located?

In April 2026, which international athlete set a new World Record in the Women's 100m sprint during a Diamond League event?

The 'Diamond' is an allotrope of which element?

In March 2026, which Indian athlete broke the world record in 'Women's Javelin Throw' with a distance of 73.12 meters at the Diamond League?

In April 2026, which Indian athlete broke the world record for the Men's Javelin Throw at the Diamond League meeting in Doha?

In April 2026, which Indian athlete won the Gold Medal in the 'Diamond League' opening meet held in Doha?

In April 2026, which Indian athlete broke the world record in the Men's Javelin Throw at the Diamond League?