Joshi was recruited in the Garhwal Rifles on 14th July 1970. On 27 June 1971, After completion of training, he was posted to 5 Garhwal Rifles. Joshi’s first was also fought in 1971 Indo-Pakistani war in the Eastern Sector during. Joshi became a full dedicated soldier. Later, he got posted to the 9 th Battalion of the Garhwal Rifles.