The Bonded Labour System (Abolition) Act, 1976 (1976, Statement)
http://pblabour.gov.in/pdf/acts_rules/bonded_labour_system_abolition_act_1976.pdf
http://pblabour.gov.in/pdf/acts_rules/bonded_labour_system_abolition_act_1976.pdf
http://idsn.org/caste-discrimination/key-issues/bonded-labour/india/
http://www.hrw.org/legacy/reports/1996/India3.htm
http://idsn.org/fileadmin/user_folder/pdf/New_files/Key_Issues/Bonded_Labour/asi_dalits_and_bonded_labour_in_india__nepal_and_pakistan.pdf
https://idsn.org/fileadmin/user_folder/pdf/New_files/India/2012/NCSPA_2.pdf
https://idsn.org/fileadmin/user_folder/pdf/New_files/India/2012/NCSPA_1.pdf
http://dalit.wpengine.com/india-non-implementation-of-the-scheduled-castes-scheduled-tribes-poa-act-1989/
https://idsn.org/country-information/india/
http://www.indianet.nl/sumangali_e.html
http://www.indianet.nl/pdf/UpdateOnSumangali.pdf