Complex sentence: His rule is largely remembered for the use of Hindi being made compulsory in educational institutions, a measure which made him highly unpopular as a politician and sparked widespread Anti-Hindi agitations, which led to violence in some places.
Split into simpler sentences: His rule is largely remembered for compulsory introduction of Hindi in educational institutions which made him highly unpopular as a politician. This measure sparked off widespread Anti-Hindi agitations, which led to violence in some places.