Complex sentence: Following the decline of the Mughal power, India saw the rise of Maratha Empire, Nizam himself saw many invasions by the Marathas, which resulted in Nizam paying a regular tax ("Chauth") to the Marathas.
Split into simpler sentences: Following the decline of the Mughal power, India saw the rise of Maratha Empire. The Nizam himself saw many invasions by the Marathas, which resulted in the Nizam paying a regular tax ("Chauth") to the Marathas.