The agitating youths raised slogans for formation of separate Vidarbha and justice to Halba community. Nagpur: A group of four youths on Monday pelted stones at Aapli Bus and damaged window glass on Gangabai Ghat Road. As a result of stone pelting, the bus was halted and passengers deboarded. It could not be verified the name of organisation the youths belonged. Cops have registered a case and investigating the matter..