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1. do not throw any kind of waste in it.
2. do not bathe in it. not put ashes in it.
4. effluents from the factory must not be directed to the river.
5. waste water should be treated before putting it in the river.

by these methods we can save river yamuna from being polluted.

hope it helps & plzzzzzzzzzzzzzz mark as brainliest answer
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