Joshi was born and brought up in Ahmedabad,[5]Gujarat to family of professors, including his father Jayant Joshi. Abhijat received his early education in Gujarati medium. He obtained his higher education and qualifications from shri H.K.Arts College,(With Bagal thela group) Gujarat University. After doing his M.A. (English) with distinction.
He studied in one of the very reputable Gujarati schools named Shree Vidyanagar High School in Ahmedabad, where he took part in the annual competitions for Gujarati dramas in the school.[citation needed] He won multiple awards.[citation needed] He enjoyed playing cricket[citation needed]. He joined C.U. Shah Arts College situated in western part of Ahmedabad city, as a professor of English for a while before moving to the US for his MFA degree[citation needed]. Writing stories and plays was his passion from his childhood. He penned number of plays, skits in Gujarati and English languages[citation needed].
Apart from teaching, he was also involved in theatre activities. His younger brother Saumya Joshi was also professor and is now theatre personality. His father and mother also were professors. During 1992 Gujarat riots, he wrote a theatre production, "A Shaft of Sunlight", which was critically acclaimed; subsequently director Vidhu Vinod Chopra saw the play, which led to them working together in the films, Kareeb and Mission Kashmir.[4] A UK based Tamasha Theatre Company in collaboration with Greenwich Repertory Company performed more than 300 Shows, later the play was also adapted in Gujarati as "Marmbhed".[6]
Like his father Jayant Joshi, who is a Sane Guruji (noted Marathi social reformer Pandurang Sadashiv Sane) scholar[citation needed], Abhijat was deeply influenced by Sane Guruji. His father drew his attention to the profound concept of dharma as Sane Guruji saw it. All these readings have helped him immensely in writing stories.[citation needed]