The U.S. Justice Department has announced serious charges against Vikash Yadav, a 39-year-old Indian government employee, accusing him of orchestrating a murder-for-hire plot. Yadav, also known as Vikas or Amanat, allegedly tried to arrange the assassination of a U.S. citizen living in New York City. The target? A vocal critic of the Indian government, advocating for a separate Sikh state, Khalistan, which has caused tension between Indian authorities and Sikh activists.

Yadav remains at...