》Popularly known as Nana Saheb, he succeeded his father at the age of 20.
》After the death of shahu (1749), the management of all state affairs was left in his hands.
》In an agreement with the Mughal Emperor Ahmad Shah, the Peshwa was to protect the Mughal empire from internal and external enemies in return fir Chauth (1752).
》Third battle of Panipat resulted in the defeat of the Marathas by Ahmad Shah Abdali and the death of Viswas Rao and Sadashiv Rao Bhau. This event shocked the Peshwa Balaji Baji Rao and after six month he also died. This battle ended the Maratha power.
》Successors of Balaji Baji Rao: Madhav Rao (1761-72), Narayan Rao (1772-73), Sawai Madhav Rao (1773-95) and Baji Rao II (1795-1818).