Who is Umar Khalid and why is his detention making news in India?

Over 200 prominent academicians, filmmakers and authors are calling on the Indian government to release activist and former student leader Umar Khalid. Why has he been detained? Kashmir Tensions 👉http://trt.world/13fd India Protests 👉http://trt.world/13f6 India's Controversial Citizenship Law 🇮🇳 👉http://trt.world/13fq #UmarKhalid #Dissent #CAA