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Process like bioremediation, phytoremediation and bioaugmentation are recommended to protect  hussain sagar lake-

1-Bioremediation- any process that uses microorganisms, fungi, green plants or their enzymes to return the natural environment altered

2- phytoremediation -  The systematic use of plants to treat environmental contamination. It is being investigated as a potential low-cost technology to help meet environmental regulations.

3- bioaugmentation -The use of microorganisms to help to decompose pollutants.

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