Explanation:

- Harappa - Ravi:

- Harappa is indeed situated on the bank of the Ravi River, which is one of the tributaries of the Indus.

- Lothal - Bhogva:

- Lothal is located near the Bhogava River in the present-day Indian state of Gujarat. It was an important trade center in ancient times.

- Mohanjodaro - Sutlej:

- Mohenjo-daro is actually located near the banks of the Indus River, not the Sutlej. This makes this pairing incorrect.

- Correct Answer: Option 3, Mohanjodaro - Sutlej.

- Chanhudaro - Indus:

- Chanhudaro was also situated near the Indus River and was another important Harappan site.