‘Cow Vigilantes’ Have India’s Muslims on Edge

A recent series of attacks by Hindus on Muslims in India have highlighted how sectarian violence remains a serious problem, even as the country seeks to define itself on the world stage as a robust democracy with equal rights for all.

Despite a close election victory in June by Prime Minister Narendra Modi that many interpreted as a rebuff, there have been numerous instances of such violence, according to India-focused human rights organizations and a New York Times tally of local news reports. At least a dozen involve so-called cow vigilantism — violence related to the slaughter or smuggling of cows, or the suspicion of such acts.

In August, a group of Hindu men beat up a 72-year-old Muslim man because they believed he was carrying beef in his bag. Also that month, a group that describes themselves as cow protectors fatally shot a 19-year-old Hindu student because they thought he was a Muslim smuggling cows, according to his family.

The cow issue is deeply divisive because it pits the religious beliefs of one group against the diet of another. Cows are sacred in Hinduism, especially among its upper castes, and many Indian states ban their slaughter, as well as the sale or smuggling of beef. But beef is consumed by many Muslims.

Religious violence is not rare in India, where more than one billion Hindus, around 200 million Muslims, 30 million Christians, 25 million Sikhs and other religious minorities coexist, sometimes uneasily.

Under Mr. Modi, who has pursued a Hindu nationalist agenda since coming to power in 2014, Muslims have increasingly become a target for hard-line Hindu groups affiliated with his Bharatiya Janata Party, or B.J.P. Hundreds of instances of religious violence, including lynching, beating and