Peshwa Baji Rao II and Nana Phadanvis awarded inam (Jagir) to him in 14 villages near Purandhar fort, for his role.
He performed successful role in administration of maratha empire and as affairs minister or diplomat (vakil) for Peshwa Baji Rao II.
He along with his son Pandoji Kunjar and Narayan, enjoyed the position as Sur-Patil (सर-पाटील) at Pune Punch Mahals during the era of Peshawa Baji Rao II.
[2] Rise of Balaji Kunjar (Kunjir) (from A.D. 1795–1796) In the service of Nana Purandare, there was a shiledar, the natural son of the Patil of the village "Waghapur", near Purandhar Fort.
He conquered Sendhwa, Chalisgaon, Dhulia, Malegaon, Parol, Ner, Ahmednagar, Rahuri, Nasik, Sinner, Dungargaon, Jamgaon, Pharabagh, Gardond, Pandharpur, Kurkumb, Narayangaon, Baramati, Purandhar, Saswad, Moreshwar, Thalner, and Jejuri.
On Sunday, 25 October 1802, on the festival of Diwali, Yashwantrao Holkar defeated the combined armies of Scindia and Peshwa at Hadapsar, near Pune.
On 27 October 1802, Peshwa Bajirao (II), along with Chimnaji, Baloji Kunjir and with some soldiers of Scindia, went to Raigad and spent one month in Virwadi.
After deliberating for over a month, and after threats that his brother would otherwise be recognized as Peshwa, Bajirao (II) signed the treaty, surrendering his residual sovereignty and allowing the English to put him on the throne at Poona.
Balaji Kunjar went Gwalior to Shindia's Durbar as an agent of Peshwa Baji Rao II, for many years.