A major fire erupted in Delhi's Jahangirpuri on Sunday, said the fire officials.Delhi Fire service reached the spot and dousing operation is underway."We got a call around 10:30 in the morning that the slum areas in Jahangirpuri have caught fire. When we reached here, we found that a godown of waste materials, located a little outside the slum areas, had blazed," said a fireman present at the spot.