Explanation:

 The labour department in Uttar Pradesh has identified at least 4,183 child labourers across the state from April 2017 to August 2018, according to an RTI reply. It also revealed that cases were registered against 177 employers in 20 districts during the period.

According to the RTI, 2,962 child labourers were identified between April 1, 2017 and March 31, 2018 while 1,221 such children were identified from April to August 31, 2018. The highest number of child workers were found in Agra (268). Less than 10 child labourers were found in some districts including Amroha (9), Badaun (4) and Etah (5).As many as 1,244 child labourers were rescued from 75 districts.