Who is Kerala's Arya Rajendran, drawing attention after viral Zohran Mamdani post?

Zohran Mamdani, 33, on Wednesday defeated former New York Governor Andrew Cuomo as well as the Democratic establishment – much of which had lined up against him – to win the party’s primary for mayor of New York City. But why has his victory put the spotlight on Arya Rajendran, a politician from Kerala?

Explainers