Social work in Maharashtra At age 25, Deshmukh started writing articles aimed at social reform in Maharashtra in the weekly
Prabhakar (प्रभाकर) under the pen name
Lokhitawadi (लोकहितवादी). In the first two years, he penned 108 articles on social reform. That group of articles has come to be known in Marathi literature as
Lokhitawadinchi Shatapatre (लोकहितवादींची शतपत्रे). He promoted emancipation (liberation) and education of women, and wrote against arranged
child marriages,
dowry system, and
polygamy, all of which were prevalent in India in his times. He wrote against the evils of the caste system which was strongly prevalent in India in his times, condemned harmful
Hindu religious orthodoxy, and attacked the monopoly in religious matters and rituals which Brahmin priests had through a long tradition (Deshmukh, himself, belonged to the Brahmin caste). He enunciated certain 15 principles for bringing about religious reform in Hindu society. Deshmukh co-founded a public library named as "Pune Nagar Vachan Mandir" in Pune under the leadership of the then British officials of
Bombay Presidency, Sir George Russel Clerke in 1948. He also donated some books to University of Bombay (1875) Library. His personal collection is added to University of Mumbai at J.N.Library knows as "Deshmukh collection". His life-size portrait (with some amount to add some new books from its interest every year) is donated to Univ. of Mumbai Library He took a leadership role in founding
Gyan Prakash (ज्ञानप्रकाश),
Indu Prakash (इंदुप्रकाश), and
Lokhitwadi (लोकहितवादी) periodicals in Maharashtra. Lokahitwadi Gopal Hari Deshmukh Trust is now carrying forward his legacy by promoting and assisting social causes such as education of poor children by means of Scholarships, cleanlinesses drives, working with PMC and Police authorities to make roads safer and other social causes.
Social work in Gujarat While Deshmukh was serving as a judge in Ahmedabad, he organized in that city annual speech conferences on social issues under the sponsorship of Premabhai Institute, and also himself delivered speeches. He established in Ahmedabad a branch of
prarthana samaj, founded an institute promoting remarriages of widows, and invigorated Gujarat Vernacular Society. He started a weekly
Hitesha ('हितेच्छु) in both Gujarati and English. He also started " Gujarati Budhhi-Wardhak Sabha". ==Books==