New Delhi, June 13: In Delhi, as many as 18 children go missing every day, says a report.  Of these missing children, 10 are never traced, says a report in  It said that on June 11, the Delhi Police, along with NGO Bachpan Bachao Andolan, raided some Sultanpuri factories and rescued 39 children. They were all aged between 10-14 years who were forced into labour against their will, the police said. (Also read: Tourists go Missing in Goa)Also Read - Ganga Canal Closed For Maintenance Till November 5. Will Delhi Water Supply be Affected? Here's What Jal Board Said

Rohini SDM NSP Tripathi said, “We and Bachpan Bachao Andolan got information that there could be some child labourers in factories in Sultanpur Mazra and Aman Vihar. We immediately raided the factories on Monday and rescued 39 children. Four of the factories have been sealed.” Also Read - International Flights: Air India Increases Flight Frequency Between Delhi, Chicago From Nov 3, Opens Booking

Till May this year, over 2,396 children went missing out of which only 345 could be traced. If you look at the 2017 data, over 6,454 children went missing and 7,500-plus cases were registered in 2015 and 2014. In 2017, 363 boys under eight years of age were reported missing as against 217 girls. Most of them were stolen by gangs operating in hospitals, public places and railway stations who sold them to childless couples, says the report. Also Read - Ban on Sale, Use of Firecrackers: How These States Take Strict Measures to Bring Air Pollution Under Control

This boy-girl ratio changes around the age of 12; in 2017, 1,655 boys above 12 years went missing in comparison to 3,536 girls of the same age group. Most of these girls were sold to brothels. “We register every missing case and the police immediately starts investigating. Most missing children return on their own and we recover some of them too. Besides, we conduct raids to rescue child labourers and arrest human traffickers,” said a police official.