• History of Exact Sciences in India
• Indian Knowledge Systems

• Room no – HSB 239D
• E-mail : aditya[at]iitm[.]ac[.]in
• Phone : +91 (44) 2257 4544

• IIT Madras
• IIT Bombay
• BITS Hyderabad
• Procter & Gamble
• William J. Clinton Foundation
• Bain & Company

• Aditya Kolachana, K. Mahesh and K. Ramasubramanian (2025). “Precise determination of the ascendant in the Lagnaprakaraṇa – V”. In: Indian Journal of History of Science 60.2, pp. 103–120. https://insa.nic.in/(S(p3b42vmk5crtmmkeovu3oa14))/writereaddata/UpLoadedFiles/IJHS/IJHS_60_2_1.pdf
• Nagakiran Yelluru, G. Sreeram, Venketeswara Pai and Aditya Kolachana (2025).”Tithinirṇaya: A Calendrical Text of the Mādhva Tradition for Religious Observations”. In: History of Science in South Asia 13, pp. 50–152. https://journals.library.ualberta.ca/hssa/index.php/hssa/article/view/113/154  
• J. Dhammaloka, Aditya Kolachana and Clemency Montelle (2025). “Visualising Eclipses: Graphical Constructions of Eclipse Phenomena in the Sanskrit Astral Sciences”. In: Journal of History of Science and Technology 19.1, pp. 70–99. https://sciendo.com/article/10.2478/host-2025-0004
• G. Sreeram and Aditya Kolachana (2024). “The saṃyoga-meru: A combinatorial tool in the Saṅgīta-ratnākara”. In: Historia Mathematica 66, pp. 14 – 25. https://www.sciencedirect.com/science/article/pii/S0315086024000053?via%3Dihub
• Nagakiran Yelluru and Aditya Kolachana (2023). “Geometry of prāṇakalāntara in the Lagnaprakaraṇa”. In: Indian Journal of History of Science 58.3 , pp. 171–180. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/IJHS_58_3_2.pdf
• K. Mahesh, Aditya Kolachana and K. Ramasubramanian (2021). “Combinatorial techniques in Munīśvara’s Nisṛṣṭārthadūtī”. In: Indian Journal of History of Science 56.3-4 , pp. 171–181. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/2.pdf
• Aditya Kolachana, K. Mahesh and K. Ramasubramanian (2021). “Precise determination of the ascendant in the Lagnaprakaraṇa – IV”. In: Indian Journal of History of Science 56.1, pp. 1–13. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/1-13.pdf
• Aditya Kolachana, K. Mahesh and K. Ramasubramanian (2020). “Precise determination of the ascendant in the Lagnaprakaraṇa – III”. In: Indian Journal of History of Science 55.2, pp. 99–112. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/Vol55_2_2020__Art01.pdf
• Aditya Kolachana, K. Mahesh and K. Ramasubramanian (2020). “Precise determination of the ascendant in the Lagnaprakaraṇa – II”. In: Indian Journal of History of Science 55.1, pp. 1–25. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/Vol55_1_2020__Art01.pdf
• Aditya Kolachana, K. Mahesh and K. Ramasubramanian (2019). “Precise determination of the ascendant in the Lagnaprakaraṇa – I”. In: Indian Journal of History of Science 54.3, pp. 304–316. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/Vol54_3_2019__Art04.pdf
• Aditya Kolachana, K. Mahesh and K. Ramasubramanian (2019). “A brief introduction to the mathematics of the Śulbasūtras”. In: Blackboard – Bulletin of Mathematics Teachers’ Association (India) 2, pp. 63–76. https://www.mtai.org.in/wp-content/uploads/2019/11/blackboard2.pdf
• Aditya Kolachana, K. Mahesh and K. Ramasubramanian (2019). “Determination of kālalagna in the Lagnaprakaraṇa”. In: Indian Journal of History of Science 54.1, pp. 1–12. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/Vol54_1_2019__Art01.pdf
• Aditya Kolachana, K. Mahesh, Clemency Montelle and K. Ramasubramanian (2018). “Determination of ascensional difference in the Lagnaprakaraṇa”. In: Indian Journal of History of Science 53.3, pp. 302–316. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/Vol53_3_2018__Art06.pdf
• Aditya Kolachana, [and 8 others] (2018) “The Candrārkī of Dinakara: A text related to solar and lunar tables”. In: Journal for the History of Astronomy 49.3, pp. 306–344.
• Aditya Kolachana, [and 8 others] (2018) “A critical edition of the Candrārkī of Dinakara”. In: History of Science in South Asia 6, pp. 127–161. https://journals.library.ualberta.ca/hssa/index.php/hssa/article/view/35/90
• Aditya Kolachana, K. Mahesh and K. Ramasubramanian (2018). “Mādhava’s multi-pronged approach for obtaining the prāṇakalāntara”. In: Indian Journal of History of Science 53.1, pp. 1–15. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/Vol53_1_2018__Art01.pdf
• K. Mahesh, Aditya Kolachana and K. Ramasubramanian (2018). “An appraisal of the Greek and Indian approaches in determining the surface area of a sphere”. In: The Journal of the Indian Mathematical Society 85.1–2, pp. 139–169.
• K. Ramasubramanian, K. Mahesh and Aditya Kolachana (2018). “The Līlā of Līlāvatī ”. In: Bhāskaraprabhā. Ed. by K. Ramasubramanian, Takao Hayashi, and Clemency Montelle. Culture and History of Mathematics 11. New Delhi: Hindustan Book Agency, pp. 59–101.
• Aditya Kolachana, K. Mahesh and K. Ramasubramanian (2017). “Novel proofs for summations in the Nisṛṣṭārthadūtī”. In: Indian Journal of History of Science 52.2, pp. 124–137. https://insa.nic.in/writereaddata/UpLoadedFiles/IJHS/Vol52_2_2017__Art02.pdf
• Aditya Kolachana and K. Ramasubramanian (2015). “A Study of Parameśvara’s record of eclipses”. In: Proceedings of Intensive Workshop on Ancient and Medieval Eclipse Data: Compilation of Eclipse Data and Examination of their Reliability, Tokyo, Japan, November 27–28, 2014. Ed. by Mitsuru Sôma and Kiyotaka Tanikawa. Tokyo: National Astronomical Observatory of Japan, pp. 53–64.
• Aditya Kolachana and K. Ramasubramanian (2015). “Indian records of historical eclipses and their significance”. In: Gaṇita Bhāratī 37.1–2, pp. 145–162.

Edited Collection:

• Aditya Kolachana, K. Mahesh and K. Ramasubramanian, eds (2019). “Studies in Indian Mathematics and Astronomy”, Culture and History of Mathematics 12, New Delhi: Hindustan Book Agency and Springer. 742 pages.

• Fellowship, London Mathematical Society
• Best Teacher Award, IIT Madras
• Young Historian of Science Award, Indian National Science Academy
• Award for Excellence in Ph.D. Research, IIT Bombay

• Member, Executive Council, Indian Society for History of Mathematics
• Member, Editorial Board, History of Science in South Asia

• Led the design and development of the free, open-source, Unicode compliant, Open Type ‘Shobhika’ font with support for Devanagari, Latin, and Cyrillic scripts. The font has been adopted by many in the scholarly community across the world and is also included in the TEX archive. https://github.com/Sandhi-IITBombay/Shobhika