It is research tool of HBT through which children conduct surveys to make the city SMART in terms of infrastructure, policies, laws, programmes and with a responsive local governance committed towards fulfilling the rights mentioned under UNCRC in practice. HBT child leaders do audit of public infrastructures against the child friendly parameters and come up with a set of recommendation to make the infrastructure child friendly. In the year following cities4kids audits were undertaken in Bhubaneswar city.