Complex sentence: He regained the throne of Kangleipak in 1768 with help of Ahom king Rajeshwar and went on to rule for more than 30 years, signing a treaty with East India Company in 1762.
Split into simpler sentences: He regained the throne of Kangleipak in 1768 with help of Ahom king Rajeshwar and ruled more than 30 years. He signed a treaty with East India Company in 1762.