 Ramba uchiverenga ndima iyi - Dartnell akabatana ne86th Royal County Down Regiment of Foot saEnsign muna 1855 uye akasimudzirwa kuva Lieutenant muna 1856. Mukati moMupanduki weIndia185759 akashanda nechikwata chake pakurwiswa kweChanderi munaKurume 1858 uye pakurwiswa kweJhansi Fort musi wa3 Kubvumbi 1858 paakaremara nekuda kwekukuvara kwaakawana achikwira masitepisi kukwira rusvingo rweimba. Murume wokutanga kukwira manera, Dartnell akarwiswa navapanduki avo vakamucheka nemapakatwa avo ndokumupfura. Akakurudzirwa kuti apiwe Victoria Cross asi haana kupiwa. Nokuda kwoushingi hwake akasimudzirwa kuva mutungamiriri wekambani uye akaendeswa kuBritain kuti anoporesa maronda ake. Akakwidziridzwa kuva Kaputeni muna 1859 ndokuendeswa ku16th Bedfordshire Regiment of Foot. 