The fourth Edition of the India Aviation Show begins in Hyderabad this morning. Civil Aviation Minister Ajit Singh will inaugurate the 5-day show.Over 250 exhibitors from all over the world will take part and about 20 types of aircraft including business jets, commercial aircraft, cargo aircraft, motor gliders, helicopters and aircraft machinery will be on display. The largest aircraft Airbus A-380 will be on display for the first three days. Besides, breathtaking aerobatics will be displayed twice in a day.