The case was filed by a person named M Raju Nayyar, who claims to be a social worker.
The consumer affairs ministry has asked the Bureau of Indian Standards (BIS) to develop a roadmap for implementation of the initiative.
Paswan and Kejriwal have engaged in a spat ever since the BIS recently came out with its survey which showed that water quality was below par in Delhi.
Delhi Jal Board alleges Union Minister Paswan acted 'irresponsibly, tabled fake report' in Parliament
Citing media reports, he alleged that 'gross irregularities' have surfaced in the process of water sample collection in the city.
AAP government said it would set up 32 teams to collect water samples from each ward in the city, test them and put the results in public domain.
AAP said the Centre’s BIS report is biased provoking Paswan to make public the details of the report on water quality and details of samples.
Taking up Paswan’s challenge to prove the BIS survey wrong, AAP government said it will form 32 teams to collect drinking water samples from across the city and the test results will be made public.
Speaking in Lok Sabha during the Zero Hour, the Consumer Affairs, Food and Public Distribution minister, said water supplied by the Delhi Jal Board is not fit for drinking.
In Europe and other developed countries, it is clearly written whether tap water is potable or not. In India, there is no such certification.
While state-owned trading firm MMTC will import onions, cooperative Nafed will supply the key kitchen items in the domestic market.
The Lok Janshakti Party, which primarily draws its support from a section of Dalits in Bihar, was founded by Chirag's father, Ram Vilas Paswan.
Prince Raj defeated Dr Ashok Kumar of the Congress Party with over 1.02 lakh votes in the bypoll on Thursday which was necessitated after the death of his father and then sitting MP Ram Chandra Paswan
Paswan for mandatory BIS norms, but ‘Waterman’ Rajendra Singh says bunkum, calls minister clueless
He said that the Delhi government and Jal Board authorities have no reservations on making the BIS standard mandatory for tap water.
However, Delhi Chief Minister and DJB chairman Arvind Kejriwal said the water utility will take corrective action if there are any shortcomings found.