Delhi Jal Board — dirty water in ggsss rani garden school

We are getting the supply of water in our school named govt. Girls sr. Sec. School rani garden delhi-31 (School id :[protected] containing bad smell and contamination which flows through your sever line to our overhead tank. Sometimes we receive a flow of black water to overhead tank in the morning and evening. The same water is being used by our school children an d staff members. You are requested to please look into the matter and take necessary action immediately so that we may not suffer from serious diseases due to cause of contaminated water.
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