Complex sentence: It was one of the trendsetters of the 1980s Tamil cinema portraying the role of a cop for a change an aged cop, though he had a small screen time in this multi-starrer he gave a powerful performance.
Split into simpler sentences: It was one of the trendsetters of 1980s Tamil cinema, portraying, unusually, the role of an aged cop. Though he had little screen time in this multi-starrer, he gave a powerful performance.