The country has the longest terrestrial border with India?

In which state of Rajasthan are ravines found?

Where is the tomb of Sher Shah Suri situated?

Which country's government has made a distinction between the cost of backward man and the backward child.

Which metal is the best conductor of heat?

The district of Rajasthan which forms both the inter-state and international border lines?

Sodium chloride and water are formed by the reaction of sodium hydroxide and hydrochloric acid. What is this reaction?

What is the strait that separates India and Sri Lanka called?