Delhi's tap water is not safe for drinking

A study was conducted by the Union Consumer Affairs Ministry and found that the samples of tap water collected from Delhi were not safe for drinking. Other metro cities of including Kolkata and Chennai were failing in the quality check too. It was only Mumbai which passed the test. On the other hand, politics was being done on same by AAP leader Saurabh Bhardwaj. He said that samples should be taken in presence of Delhi govt officials and then they should be tested