Section 29(a) in The Faridabad Complex Water-Supply Bye-laws
(a)Fix any tap in any court-yard, passage, or outside any house or premises, so as to be available for use by the public without special permission in writing from the Chief Administrator, or fix any tap in close proximity to places, where injurious gases are likely to be produced or fix any cock or connection to any tank or reservoir so as to permit any part of the contents of the said tank or reservoir to syphon back into the consumer's pipes.
