"Union Home Secretary Anil Goswami has directed the chief secretaries and director generals of police of all the states to start an 'Operation Smile' campaign from January 1 to 31 to trace missing children," Uttar Pradesh IG (Law and Order) A Satish Ganesh said.
The IG said the Centre was encouraged by the Ghaziabad police's campaign and it is being replicated at the national level.
