The founder of India’s viral Cockroach Janta Party (CJP) arrived in New Delhi on Saturday to lead a protest against Prime Minister Narendra Modi’s government, taking the country’s largest online youth movement to the streets for the first time. Abhijeet Dipke, 30, who has lived in the United States for the past two years, had said his family and friends feared he could be arrested on his return to India. Dozens of police officers gathered near Jantar Mantar in central Delhi on Saturday,...