• Nara-Kinnara, 1962 (The Man and the Sub Humans)
• Shatabdira Nachiketa, 1965 (The Nachiketas of the Century)
• Tinoti Ratira Sakala, 1969 (The mornings of three dark nights)
• Dakshinabarta, 1973 (The turning point)
• Jatrara Prathama Pada, 1976 (The First Leg of the Journey)
• Anya Eka Sakaala Anya Eka Bharat, 1977 (It is another morning and it is another India)
• Shakuntala, 1980 (a novel on the Naxallite movements)
• Mantrinka Share, 1988 (The Minister's Share)
• Dharitrira Kanda, 1994 (The Weeping Earth)
• Anu Hajijibapare, 1996 (After Anu Got Lost)
• Adrushya Jagataru Barta, 1996 (Messages from the Unknown Worlds)
• Billy Goat Banam Uruvela Ghotak, 1997 (The man named Billy Goat alias The Laughung Horse of the Uruvela Forest where Goutama Buddha received Enlihtenment)
• Swarna Tribhuja, 1998 (Anthology of three novellas : Billy Goat.., Adrushya Jagataru Barta and Mantrinka Share)
• Trishna: Eka Anaviskrita America, 1999 (The girl named Trishna: The Undiscovered America)
• Anomara Kanya, 2002 (The daughter Of Anoma or the River Maha Nadi)
• Jeje Malapare, ( After Jeje Died), Science Fiction, Novel, Publ: Grantha Mandira, Binode Bihari, Cuttack-2, Odisha, November, 2020.

• Mana Murmur, 1962 (The Murmuring Mind)
• Durbaara, 1965 (The Incorrigible)
• Eii Shesha Padati, 1972 (This last utterance)
• Aranyara Chula, 1974 (The Tip of The Forest)
• Adina Boula, 1978 (Mango blossoms out of season)
• Ekabinsha Satabdi Paain Galpa, 1978 (Stories for the Twenty First Century)
• Karanjia Diary, 1984 (Based on the real life adventures and observations of the author in Karanjia, Mayurbhanj District
• Aadya Sakaala, 1985 (The first dawn)
• Sarpa Jaana, 1989 (The Snake Vehicle)
• Chalanti Thaakura, 1991 (God who Responds)
• Nataliyara Omkar, 1995 (The OM utterance of Nataliya)
• Galpa Varnali, 1997 (The Spectrum of Stories)
• Shreshtha Galpa, 1998 (A collection of the Best Short Stories)
• Jala Chhabira Raati, 1999 (A Night of Water Colors)
• Drushya-Adrushya, 2002 (The visible and the invisible)
• Chhaya Purusha, 2005 (The Person in the Shadow )
• Record Breaker, 2006
• Trutiya Netra, 2007 (The Third Eye)
• Santanu Acharya's Galpa Samagra (Collection of short stories of the author)
  • Vol 1, 2009
  • Vol 2, 2011
• Kala Pardara Aarapate, 2013 (Behind the Black Veil)
• Santanu Acharya-nka Smaraniya Galpa, 2015 (Twenty Memorable Short Stories of the author)
• AshtaSiDdhi O Anyanya Galpa,2019, Published by PrachiSahitya Pratishan, Binode Bihari, Cuttack-2

Anthology of Author's Recently written Stories of felt life experiences comprising dreams and  Occult Experiences.

• Katha Dashaka ( Ten Selected Stories of the Author Santanu Kumar Acharya ),First Ed 2021- Ed: Pitabas Routray, Publisher: Fhula Bhagaban Foundation, Mahabir Prakashan, Old Bus Stand, Bhubaneswar, ISBN: 81-87989-32-17

• Mo Katha Ghoda Katha Kahe, 1961 (My Wooden Horse Speaks)
• Baga Bagichara Saudagara, 1962 (The Merchants of our gardens)
• Akashaku Satoti Pahacha, 1963 (Seven Steps to the Heavens: A science fiction on Space Flight)
• Koshi Upatyakara Rajkumar Mohan, 1964 (Mohan, the Prince of the Koshi Valley)
• Shaktira Karamati, 1971 (A book of Science on Machines and Power for Children)
• Mo Naan Da Vinci O Niaan Laga Opi, 1980 (My name is Da Vinchi and Opi the incendiary i,e Oppenheimer the creator of the first atom bomb; Biographies)
• Nitidinia Jeebanare Bijnana, 1989 (Science in Everyday Life for Children )
• Baigyanika Abiskara o Udbhabana, 1989 (Important Scientific Discoveries and Life of Scientists)
• Dine Akasha bi na thila, 2001 (Once upon a Time there were no Skies over our heads; Cosmology for Children)
• Peeta Prastara Udyana, 2010 (A travelogue on the Yellow Stone National Park, US)
• Kathare Kathare Bigyana,2020, All the books on Children's Literature authored by Santanu Kumar Acharya Collected into one Book, Published by Santosh Publications,Kanchan, Gajapati Nagar, Sutahata, Cuttack, 753003.