He conducted study on the six "tribal languages" of Jammu and Kashmir including Gujari, Shina, Gaddi, Balti, Purgi and Ladakhi also known as Boti.

[13] Through tribal conferences, seminars, and public gatherings, he worked to press for adoption of a national model in J&K, aiming to empower the ST communities previously deprived of constitutional rights under the state's special status pre-2019.

[26] Under his supervision, the first-ever Gujari dictionary was compiled, containing a vast repository of approximately 70,000 words, further enhancing the linguistic heritage of the tribal communities.

[27] Rahi has authored a number of reference books in Gujari, Urdu, English, and other languages, published by the Jammu and Kashmir Academy of Art, Culture and Languages, Gurjar Desh Charitable Trust, Tribal Research and Cultural Foundation.

[28][29] The government of Jammu and Kashmir awarded Javaid Rahi with the State Level "Tribal Award 2022" presented to him by Lieutenant Governor of Jammu and Kashmir Manoj Sinha for his outstanding work in the field of tribal research and social reforms.