Complex sentence: He initiated reforms that withdrew many of the advantages enjoyed by the British East India Company, he also ousted Ramnarian a sworn enemy of the Mughal Empire and created Firelock manufacturing factories at Patna with the sole purpose of giving advantage to the newly reformed Mughal Army.
Split into simpler sentences: He initiated reforms that withdrew many of the advantages enjoyed by the British East India Company, and ousted Ramnarian as a sworn enemy of the Mughal Empire. He ordered the creation of Firelock manufacturing factories at Patna with the sole purpose of advantaging the newly reformed Mughal Army.