When thousands of unarmed students marched toward the Indian Parliament building last month in a rare challenge to the government, they were met by a wall of riot police officers determined to stop them. 上个月，数以千计手无寸铁的学生向印度议会大楼游行，对政府发起罕见的挑战，他们遭遇了决心阻止他们的防暴警察人墙。…