Which among the following is / are common features of the Harappan Urban settlements?
1. Use of bricks of uniform proportions
2. Efficient provision of water and sanitation
3. Use of unbaked bricks for bathrooms, drains, and wells
Choose the correct option from the codes given below:

Answer: [B] 1 & 2

This question is a part of GKToday's Integrated IAS General Studies Module