Public health exemption covers ambulance services to government under the National Health Mission, clarifying service tax treatment. Provision of ambulance services to State Governments under the National Health Mission by private service providers was clarified as a service provided to Government by way of public health, falling within the exemption under Notification No. 25/2012-Service Tax. The Trade Notice was issued to communicate this clarification to the trade, field formations, officers, assessees, and industry associations.