As usual some one intentionally neglected to look at the vital details in DISCLAIMER section … or may be you missed them … its okay may be it was an honest mistake on your part … not to worry … people do make mistakes … for your convenience though here are some facts that I have extracted from the link provided by you.
After a little scrutiny I have found “Note 5” that clearly states that these statistics were furnished by government of India to ILO back in 2001 … now you don’t expect us to believe government of India? ….. DO YOU? … following is the “Note 5” for your review … just to avoid any confusions I have highlighted the above mentioned note in RED … GOOD LUCK …
Quote: Note 5 - Registrar General, Government of India: Census of India, 2001, Working children in India: An analysis of the 2001 census data. Unquote: