Step 1: Availability of raw materials.
Kodumanal had access to semi-precious stones, which were essential for bead-making.
Step 2: Skilled craftsmanship.
Archaeological evidence suggests the presence of skilled artisans who specialized in bead-making techniques.
Step 3: Trade connections.
The location was connected to trade routes, allowing easy export of beads to coastal ports and foreign markets.
Step 4: High demand.
Beads were in great demand both in India and abroad, encouraging the growth of this industry.
Step 5: Conclusion.
Thus, availability of resources, skilled labour, and trade links led to the development of bead-making industry at Kodumanal.
Two statements are given below as Assertion and Reason (R). Read them carefully and choose the correct option.
Assertion : Harappa was a well-planned city.
Reason (R): It had a well-planned drainage system.
Match Column-I with Column-II and choose the correct option: 
Identify the ancient Indian text with the help of the following information: