Madurai Municipal Corporation

we are living at west masi street still 70 years and above .drinking water supply by madurai municipal corporation.but last two years water supply with drianage water mixing.every time we compliants to madurai corporation peoples.they do not take nessary action for our grievences.please we request to take valuable action by madurai corporation peoples for that mistake not do again in future. please we request again we expect we will get pure drinking water supply by madurai corporation. thank you. prakash,balan,prakash.