Complex sentence: Hetampur used to be a Zamindari village in erstwhile Princely state of Dumraon with its roots with ancient Holy and Princely town of Ujjain till abolition of Zamindari system in India.
Split into simpler sentences: Hetampur used to be a Zamindari in Princely state of Dumraon. This was till abolition of Zamindari system in India.