Complex sentence: Nawab Siraj ud-Daulah occupied Kolkata in 1756 after company started evading taxes and due to increasing militarization of the fort, the East India Company retook it in the following year and in 1793 assumed full sovereignty after Mughal governorship (Nizamat) was abolished.
Split into simpler sentences: Nawab Siraj ud-Daulah occupied Kolkata in 1756 after the Company started evading taxes and due to increasing militarization of the fort. The East India Company retook it in the following year and in 1793 assumed full sovereignty after Mughal governorship (Nizamat) was abolished.