Cattle slaughter in India is a historically taboo subject because of the cow's traditional status as a respected creature of God in Hinduism. Dairy products are extensively used in Hindu culture and are one of the most essential nutritional components of Hindu meals. Article 48 of the Constitution of India mandates the state to prohibit the slaughter of cows and calves and other milch and draught cattle. On October 26, 2005, the Supreme Court of India, in a landmark judgement upheld the constitutional validity of anti-cow slaughter laws enacted by different state governments in India. 24 out of 29 states in India currently have various regulations prohibiting either the slaughter or sale of cows. Kerala, West Bengal, Arunachal Pradesh, Mizoram, Meghalaya, Nagaland, Tripura and Sikkim are the states where there are no restrictions on cow slaughter.
The laws governing cattle slaughter vary greatly from state to state. The "Preservation, protection and improvement of stock and prevention of animal diseases, veterinary training and practice" is Entry 15 of the State List of the Seventh Schedule of the Constitution, meaning that State legislatures have exclusive powers to legislate the prevention of slaughter and preservation of cattle. Some States allow the slaughter of cattle with restrictions like a "fit-for-slaughter" certificate which may be issued depending on factors like age and gender of cattle, continued economic viability etc. Others completely ban cattle slaughter, while there is no restriction in a few states. Prohibition of cow slaughter is a Directive Principles of State Policy contained in Article 48 of the Constitution. It reads, "The State shall endeavour to organise agriculture and animal husbandry on modern and scientific lines and shall, in particular, take steps for preserving and improving the breeds, and prohibiting the slaughter of cows and calves and other milch and draught cattle."