loth and paper carry bags in place of non-degradable plastic ones, which pose the biggest challenge in waste management. d109l onitsuka Chandigarh: Congress blames Mayor for smart city setback | The Indian Express. The party and the government have decided to wait and watch,” said a BJP source. Fifteen per cent of students scored 85 per cent and above in science stream and 44 per cent students scored 85 per cent and above in commerce stream.