Who among the following streamlined the Maratha administration after Sambhaji?

1. After the death of Shivaji Maharaj, his son Sambhaji ruled the Maratha Empire. 2. Following Sambhaji's capture and execution by the Mughals in 1689, his younger brother Raja Ram took over as the Chhatrapati and continued the struggle against the Mughals. 3. During Raja Ram's reign and the subsequent period under Tarabai, the administration faced challenges due to constant warfare. 4. After Shahu I (Sambhaji's son) was released and became Chhatrapati, he appointed Balaji Vishwanath as the Peshwa (Prime Minister) in 1713. 5. Balaji Vishwanath proved to be a highly capable administrator and diplomat. He consolidated Maratha power, improved the revenue system, secured important concessions from the Mughals, and effectively streamlined the Maratha administration, laying the foundation for the expansion of the empire under subsequent Peshwas. Ganga Bai was Ahilyabai Holkar's daughter-in-law. Nanaji Deshmukh was a modern social reformer.