Complex sentence: The head honcho of this great business of magazines and newspapers Arjun is heading this media empire since his father died less than half a year ago-and so he had to shoulder the weight of the whole business.
Split into simpler sentences: The head honcho of this great business of magazines and newspapers, Arjun is heading this media empire since his father died less than half a year ago. He had to shoulder the weight of the whole business.