Where is the Constitutional power located enabling the Central Government to legislate on cow slaughter?

Where is the Constitutional power located enabling the Central Government to legislate on cow slaughter? Correct Answer Article-48 in the Directive Principles

Article-48 under Directive Principles of State Policy enables the Central Government and State Governments to legislate on cow slaughter. According to this article state shall endeavour to organize agriculture and animal husbandry on modern scientific lines and shall take steps to improve breed and prohibition of slaughter of cows and calves and other milch and draught cattle.

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