A group of students who appeared for Railway Recruitment Board's (RRB's) Non-Technical Popular Categories exam 2021, staged a protest at Rajendra Nagar Terminus in Patna and blocked railway tracks on Monday. They were unhappy over the "inaccurate exam results". The protests hampered the train services in parts of Bihar for nearly five hours, Patna District Magistrate Dr Chandrashekhar Singh, said.