Yes, the drainage system in Harappan cities indicates town planning. Here are the reasons why:

1. Advanced Urban Planning: The presence of a well-developed drainage system in Harappan cities suggests a high level of urban planning and engineering expertise. The layout of the cities was carefully designed to accommodate a systematic drainage network, indicating the presence of a well-organized civilization.

2. Efficient Waste Management: The drainage system in Harappan cities was designed to effectively manage waste and maintain cleanliness. The presence of covered drains and interconnected channels demonstrates a conscious effort to channelize sewage and waste away from residential areas, ensuring the health and well-being of the inhabitants.

3. Sophisticated Engineering: The construction of the drainage system required advanced engineering techniques for creating underground networks of interconnected drains. The uniformity in the design and construction of the drains throughout various Harappan cities suggests a standardized approach to urban planning and engineering.

4. Planned City Layout: The presence of well-structured and planned cities in the Harappan civilization is evident from the systematic arrangement of houses, streets, and public spaces. The drainage system aligns with the overall city layout, indicating a thoughtful approach to urban design and organization.

5. Prevention of Waterlogging: The drainage system was crucial in preventing waterlogging during monsoon seasons. The well-designed underground drains efficiently carried rainwater away from the city, minimizing the risk of flooding and ensuring the stability of the structures.

6. Attention to Public Health: The existence of a comprehensive drainage system in Harappan cities reflects a concern for public health and sanitation. The efficient disposal of waste and sewage would have helped in reducing the spread of diseases and maintaining a hygienic living environment.

7. Long-lasting Infrastructure: The durability and complexity of the drainage system indicate long-term planning and investment in infrastructure. The use of burnt bricks and well-laid foundations for the drains suggests a commitment to creating a sustainable and lasting urban environment.

In conclusion, the drainage system in Harappan cities clearly indicates a high level of town planning. The presence of a well-organized and sophisticated network of drains reflects the advanced engineering skills, urban planning, and concern for public health and sanitation of the Harappan civilization. This evidence highlights the importance of effective urban infrastructure in ancient civilizations and showcases the achievements of the Harappan people in creating well-planned cities.

. Yes, I agree with that the drainage system in Harappan cities which indicates the town
planning. I can cite the following reasons in support of my answer.
•The drainage system needed a planning for its execution. It seems that first drainages were laid out
and then houses were built along with the drains. Every house was supposed to have at least one
wall along a street to allow the domestic waste water to flow out in the street drains. The plans of
the lower town show that roads and streets were laid out along an approximate grid pattern,
intersecting at right angles.
•It appears that human settlement was made by planning from the beginning. The city was
restricted to a fixed area on the platforms.
•Bricks, sundried or baked, were of standard ratio. The length and breadth of bricks were of four
times and twice the height respectively These bricks were used at all the settlements of the
Harappan Civilisation.