details:

rājaguru of King Raṇabahādura Śāha;

negotiated Treaty of Friendship with the British (1801) when Raṇabahādura was in Varanasi (Stiller 1993: 40-41);

together with Candraśekhara Upādhyāya a major envoy (vakila) in Nepal's diplomatic affairs during and after the Anglo-Nepalese War (1 November 1814 – 4 March 1816), entrusted with diplomatic missions in Nepal and abroad at the highest level (Rose 1971);

with Candraśekhara Upādhyāya signed the Treaty of Sugauli on behalf of King Gīrvāṇayuddha in 1816 (Stiller 1976: 22);

wiki:Gajraj_Mishra. #new#SC#please check, include info from DNA_0002_0085 note 4#