The correct answer is Option 4- Indus
Mohenjo-daro lies on the bank of the Indus River.
The other rivers mentioned in the options are:
- Saraswati River: A mythical river that is believed to have flowed through the northwestern part of the Indian subcontinent during the Vedic period. The exact course of the river is still unknown.
- Ravi River: A tributary of the Indus River that flows through India and Pakistan.
- Ghaggar-Hakra River: A seasonal river that flows through India and Pakistan. It is believed to be the former course of the Saraswati River.
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