In 1818, after the Third Anglo-Maratha War,  the rule of the Peshwa was formally ended. A fresh treaty effected a readjustment of boundaries, Ajmer and other lands being ceded.
In 1818, following the Third Anglo-Maratha War, the authority of the Peshwa came to an end. This led to a renegotiation of the borders, with significant concessions being made over Ajmer and other territories as part of a new treaty.