Covered drains are found in Indus towns. For exams, treat this as evidence of advanced town planning.
Step 2
Why this answer is correct
The correct answer is D. ढकी हुई नालियां थीं / Covered drains were used. Covered drains are found in Indus towns. For exams, treat this as evidence of advanced town planning.
Step 3
Exam Tip
सिंधु नगरों में ढकी हुई नालियां मिलती हैं। परीक्षा में इसे उन्नत नगर योजना का प्रमाण मानें।
