Complex sentence: After 1761, young Madhavrao Peshwa tried his best to rebuild the empire in spite of his frail health and reinstated the Maratha authority over North India, 10 years after the battle of Panipat.
Split into simpler sentences: After 1761, young Madhavrao Peshwa tried his best to rebuild the empire in spite of his frail health. He reinstated the Maratha authority over North India 10 years after the battle of Panipat.