Section 21. Collection of statistics and portal for inter-State migrant workers.

(1) For the purposes of this Code, the Central Government and the State Government shall collect compile and analyse occupational safety and health statistics in such form and manner as may be prescribed. (2) The Central Government and the State Governments shall maintain the database or record, for inter-State migrant workers, electronically or otherwise in such portal and in such form and manner as may be prescribed by the Central Government: Provided that an inter-State migrant worker may register himself as an inter-State migrant worker on such portal on the basis of self-declaration and Aadhaar: Provided further that the workers who have migrated from one State to any other State and are self-employed in that other State may also register themselves on that portal. Explanation.--- For the purposes of this sub-section, the expression "Aadhaar" shall have the same meaning as assigned to it in clause (a) of section 2 of the Aadhaar (Targeted Delivery of Financial and Other Subsidies, Benefits and Services) Act, 2016 (18 of 2016).