After the war, Nazrul came to Calcutta and started living in the office of Bengali Muslim Literary Society at 32 College Street. Muzaffar Ahmad, one of the officers of this association, lived with him. From here the main works of his literary-journalistic life began. Early on, some of his writings were published in Muslim Bharat, Bengali Muslim literary magazine, Upasana etc. These include the novel Bandhan Hara and the poems Bodhan, Shat-il-Arab, Badal Prater Sharab, Aghani, Kheya-parer Tarani, Qorbani, Muharram, Fateha-i-Doazdm, these works are particularly appreciated in the literary field. In the wake of this, poet and critic Mohitlal Majumdar wrote a critical article in the Muslim Bharat newspaper praising both his Tarani of Kheya-par and Sharab Kavita of Badal Prat. From this, Nazrul’s close acquaintance with prominent writers and critics of the country began. Kazi Motahar Hossain, Mozammel Haque, Kazi Abdul Odud, Muhammad Shahidullah, Afzalul Haque and others were introduced in the office of the Bengali Muslim Literary Association. Atulprasad Sen, Abanindranath Tagore, Satyendranath Dutta, Premankur Atarthi, Sishirkumar Bhaduri, Saratchandra Chattopadhyay, Nirmelundu Lahiri, Dhurjatiprasad Mukhopadhyay, Hemendrakumar Roy, Dinendranath Tagore, Charuchandra Bandyo became known for their participation in Gajendar Adda and Indian Adda, two popular literary gatherings of Calcutta at that time. Padhyay, Ustad Karamtulla With Khan et al. In October 1921, he went to Santiniketan and met Rabindranath. From then till the death of Rabindranath they maintained good relations. Nazrul developed a special friendship with Kazi Motahar Hossain.
On 12th July, 1920, an evening daily newspaper called Navyug began to be published. Shere-Bangla A.K. was the editor of this magazine published in the context of non-cooperation and Khilafat movement. Nazrul started regular journalism through this newspaper Fazlul Haque. In the same year, he wrote an article titled “Who is responsible for killing Muhajireen” in this newspaper, for which the newspaper’s deposit was confiscated and Nazrul was placed under police surveillance. However, through journalism, he got an opportunity to witness the political and social conditions of that time. At the same time Muzaffar got the opportunity to gain direct experience in politics by joining various political meetings and associations with Ahmad. Poetry and music were practiced together through various small programs. Even then he did not start writing songs himself. However, Mohini Sengupta, a musician of the Brahmo Samaj, was setting some of his poems to music and publishing them in newspapers with notation. These include: Maybe Tomar Paab Doha, Ore A Koon Sneh-Surdhuni- His first song was published in the Baishakh issue of 1327 Bengal. The song was: “Bajao Prabhu Bajao Ghan”.