UPSC CDS 1 2021 GK Paper

On 6‌th March 1775, the Treaty of Surat was signed between Raghunathrao who was a claimant to the throne of the Peshwa& the British East India Company at Bombay. According to this treaty, Raghunath Rao ceded the territories of Salsette and Bassein to the British, so that the British restore him to Poona.
On 1‌st March 1776, the Treaty of Purandar was signed between Nana Phadnavis who was a Maratha minister and the Calcutta Council of the East India Company.
Convention of Wadgaon, (on 13‌th January 1779), compact concluded after the 1‌st Maratha War in India (i.e. 1775–82), marking the end of British efforts to intervene in Maratha affairs by making Raghunath Rao peshwa (who was the nominal leader of the Maratha confederacy) or at least regent for his infant great-nephew.
The Treaty of Salbai by which First Anglo-Maratha War was ended, was signed in 17‌th May 1782 between the Marathas and the British East India Company. Salbai is located in Gwalior District of Madhya Pradesh.