CHANDIGARH, April 5 -- Despite a curfew imposed in the city since March 23, people have been pushing their luck and venturing out onto the roads without valid document. From the day curfew was imposed, the traffic police, in coordination with local police, have challaned a total of 1,536 vehicles for violating the curfew. Most violations were due to not possessing requisite documents and since then, the traffic police have impounded 1,363 vehicles....