The Dronacharya Award, officially known as Dronacharya Award for Outstanding Coaches in Sports and Games, is sports coaching honour of the Republic of India. The award is named after Drona, often referred as "Dronacharya" or "Guru Drona", a character from the Sanskrit epic Mahabharata of ancient India.

Army man, sports minister, and member of parliament - Rajyavardhan Singh Rathore became the first Indian post-independence to win an individual silver at the Olympics when he stood on the podium for the men's double trap shooting at Athens 2004.

If an atom has more electrons than protons, it is a negative ion or anion. If it has more protons than electrons, it is a positive ion.

Oceans make up 97.3 per cent of the total water on Earth. The ice caps have 2 per cent of total water. Groundwater accounts for 0.68 per cent of total water. Rivers account for 0.0001 per cent of the total water.

The correct answer is SIMA. It is also known as the 'mantle' and is the second layer of the Earth's three concentric layers, the other two being SIAL (crust) and NIFE (core). The major constituent elements of SIMA (second layer) are magnesium and silicon.