Atorthy's initial schooling started at Brahmo School, Kolkata. He then studied variously at Duff School, Keshab Academy, City School and Brahma Boys Boarding and Day School, which were then under the University of Calcutta. His father, Mahesh Chandra Atorthy, was a propagator and writer of the Brahma Samaj. Atorthy was imaginative and fond of adventure from boyhood. Failing to do well in his studies, he ran away to Bombay. At Bombay he learnt to play the sitar under Ustad Karamatullah. Returning to Kolkata, he started working at a sports goods shop in Chowringee. Subsequently, he worked for the Baikali, Yadughar, Hindustan, Bharatvarsha, Sangkalpa, Nachghar and Bharati.
Works
He was a noted novelist and playwright, author of many books including compilations of short stories, essays and plays. His best- known literary work was Mahasthavir Jatak, a fictional autobiography in four volumes noted for its irreverent portrayal of Calcutta's early 20th-century élites. Among his other novels are Anarkali, Bajikar, Achalpather Jatri, Chasir Meye, Dui Ratri and Takht Taus. Associated with literary journalBharati, he edited Nachghar, one of the first performing arts journals to take film seriously, with Hemendra Kumar Roy and film- maker Pashupati Chatterjee. He founded Betar Jagat, the journal of the AIR, Calcutta. He started as scenarist and actor, using the pseudonym Krishna Haldar, at Indian Kinema Arts. He remade Punarjanma in 1932. He joined B. N. Sircar's International Filmcraft as writer and assistant to Prafulla Roy. He also scripted Nitin Bose's Buker Bojha. Premankur entered the cinema world with a role in the Bangla film Punarjanma. His first directed film, Dena Paona, was New Theatres' first talkie, made in direct competition with Madan Theatres' Jamai Sasthi. He made several Urdu films as part of New Theatres' effort to enter the North Indian market, including the classic film of Agha Hashar Kashmiri's play Misar Kumari to Yahudi Ki Ladki. His film versions of literary classics, e.g. from Saratchandra Chattopadhyay, Rabindranath Tagore and Bankimchandra Chattopadhyay, established the élite literary film genre intended to distinguish New Theatres' films from routine stage adaptations and remained important signifiers of high art in Bengali cinema. First Bengali film-maker to work inWestern India, e.g. for Kolhapur Cinetone and for Imperial. Credited with the supervision of H. K. Shivdasani's Yasmin, made by the Krishna Studio.