Complex sentence: As per a challenge which said that the person who earns less will have close his shop, Tej at last wins and goes to Pune to but goods, where on the way he meets with an accident.
Split into simpler sentences: As per a challenge which said that the person who earns less will have to close his shop. But at last, Tej at last wins and goes to Pune to buy goods, where on the way he meets with an accident.