On 15th January, 2015,  Kolkata police in collaboration with Child and Women Development Ministry, CHILDLINE Kolkata , CINI and Child Welfare Committee launched a month-long programme known as Operation Smile to track and rescue children who have gone missing in the district over the last few years, so that they can be rehabilitated or reunited with their families. The cops undertook search and rescue operations across the metro under this programme in 16 drives at railway stations, bus stands, hotels, dhabas, traffic intersections and micro-industries to locate the kids. Operation Smile, throws light to the important aspect of the horrible story of more than 1 lakh missing children per year in India.