24 గంటల కస్టమర్ కేర్:155 313
040- 23300114 & 23433933
customer-support@hyderabadwater.gov.in
Hyderabad Metro Water supply Rules Under the provision of HMWSSB Act 1989
Rules Under Provision of HMWSSB Act 1989:
Water Supply Rules Sewerage Rules Borrowing Sums Rules NBC Code of Plumbing Rules
