A Pikhor blacksmith has invented more than 20 agricultural tools.

Birds killed by chemicals inspired a villager to experiment and come up with a natural pesticide.

A traditional water harvesting system helps green a dry region.

The Raika tribals have developed an exhaustive system of veterinary medicine based on local herbs and products.

Though Vedic maths evokes Hindutva connotations, the fact is that it's a system of simple arithmetic, which can be used for intricate calculations.

Extant texts of the Vedas do not contain mathematical formulae, but they have been found in later associated works.

Vedic formulae enable quick calculations, but only if the methods used are understood well.

Forget the hassles of proving to what the square of a hypotenuse is equal. A Vedic formula offers a simple solution.

Ancient Indian mathematics did not include algebra, but the mathematicians could still provide answers to questions that have become modern theorems.

New instruction methods have resulted in efficient primary schools in rural Andhra Pradesh, posing a challenge to the approaches adopted by the government.