Most places on _____ have deposits of iron.

The credit of employing techniques of iron goes to ____________.

________ is added to this ore and heated to a high degree of temperature to produce iron.

The Indo-European people speaking Sanskrit are known as _________________.

The expansion of ____ necessitated domestication of cattle and sedentary life.

The Gangetic plain was also rich in _____ deposits

The use of iron was started in India roughly _______ years ago.

Iron ore was first processed by

What is the meaning of 'Saptha Sindhu'?

The Vedic people used a plough drawn by