Papers

History of Astronomy, Archaeo-Astronomy

  1. Iyengar, R. N. et al. (2023).
    Equinoctial full moon of the Brahmāṇḍa Purāṇa and the nakṣatra solar zodiac starting from summer solstice.
    Indian Journal of History of Science, 58(4).
     
  2. Iyengar, R. N. et al. (2021).
    Transit of Sun through the seasonal nakṣatra cycle in the Vṛddha-Gārgīya Jyotiṣa.
    Indian Journal of History of Science, 56(3).
     
  3. Iyengar, R. N. (2020).
    Akṣara the Basic Unit of Time Measure in Ancient India.
    Indian Journal of History of Science, 55(3).
     
  4. Iyengar, R. N., & Satheeshkumar, V. H. (2012). (8)
    Historical Notes: Archaeo Astronomical Significance of the Vedic Darsapaurnamasa Altar.
    Indian Journal of History of Science, 47(3). 513-519.
     
  5. Iyengar, R. N, et al. (2019).
    Vṛddhagārgīya Jyotiṣa -3.
    Tithi-karma-guṇa. Tattvadipa 25 (3-4).
     
  6. Iyengar, R. N, et al. (2019).
    Vṛddhagārgīya Jyotiṣa -2.
    Nakṣatra-karma-guṇa. Tattvadipa 25 (2).
     
  7. Iyengar, R. N, et al. (2019).
    Vṛddhagārgīya Jyotiṣa -1.
    Tattvadipa 25 (1). 61-95.
     
  8. Iyengar, R. N. (2018).
    Archaeo-astronomy and Ancient Indian Chronology.
    Proceedings of ICHR Conference 2018.
     
  9. Iyengar, R. N. (2016).
    Ancient Indian Astronomy in Vedic Texts.
    In IX International Conference on Oriental Astronomy, Pune, India.
     
  10. Iyengar, R. N. (2016).
    Ch - Astronomy in Vedic Texts. History of Indian Astronomy - A Handbook.
    Ed K Ramasubramainan Aniket Sule, Mayank Vahia, SandHI and TIFR, Mumbai, India.
     
  11. Iyengar, R. N. (2014).
    Parasara's six season solar zodiac and helical visibility of star Agastya in 1350-1130 BC.
    Indian Journal of History of Science, 49.3. 223-238.
     
  12. Iyengar, R. N.
    A Profile of Indian Astronomy before the Siddhāntic Period.
     
  13. Iyengar, R. N. (2013).
    Parāśaratantra: Ancient Sanskrit Text on Astronomy and Natural Sciences.
    Jain University Press.
     
  14. Iyengar, R. N. (2011).
    Dhruva the Ancient Indian Pole Star: Fixity, Rotation and Movement.
    Indian Journal of History of Science, 46(1-2), 23-39.
     
  15. Iyengar, R. N. (2010).
    Comets and meteoritic showers in the Ṛgveda and their significance.
    Indian Journal of History of Science, 45(1).
     
  16. Iyengar, R. N. (2008).
    Archaic Astronomy of Parasara and Vrddha Garga.
    Indian Journal of History of Science, 43(1), 1.
     
  17. Iyengar, R. N. (2006).
    Some Celestial Observations Associated with Krsna-Lore.
    Indian Journal of History of Science, 41(1), 1.
     
  18. Iyengar, R. N. (2006).
    On some comet observations in ancient India.
    JOURNAL-GEOLOGICAL SOCIETY OF INDIA, 67(3), 289.
     
  19. Iyengar, R. N. (2005).
    Eclipse Period Number 3339 in the Rgveda.
    Indian Journal of History of Science, 40(2), 139.
     
  20. Iyengar, R. N. (2005).
    Cometary observations in ancient India.
    JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA, 65(5), 663-665.
     
  21. Iyengar, R. N. (2003).
    Internal consistency of eclipses and Planetary positions in Mahabharata.
    Indian journal of history of science, 38(2), 77-116.
     
  22. Iyengar, R. N. (2003).
    Historicity of celestial observations of Mahabharata.
    Quart. Jour. Mythic Soc, 94, 150-186.
     

Rainfall

  1. R. N. Iyengar. (2009).
    Monsoon rainfall cycles as depicted in ancient Sanskrit texts. Current science.
    97(3), 444-447.
     
  2. Iyengar, R. N. (2006).
    Description of rainfall variability in Brhat-Samhita of Varaha-mihira.
    Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), 68(Spl Iss 3), 545-548.
     
  3. R. N. Iyengar. (2004).
    Description of rainfall variability in Bṛhat-samhita of Varāha-mihira.
    Current Science, 87(4), 531-533.
     

Ancient Geography & Earth Sciences

  1. Iyengar, R. N. (2015).
    Location of the Vedic Iriṇa and its Archaeo-geography.
    Journal of the Sri Venkateshwara Vedic University, 2016.
     
  2. Sharma, K. K., Purohit, R., Iyengar, R. N., & Radhakrishna, B. P. (2008).
    Geographical Location of Vedic Irina in Southern Rajasthan.
    Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), 71(2), 292-292.
     
  3. Iyengar, R. N., & Radhakrishna, B. P. (2007).
    Geographical location of Vedic Irina in Southern Rajasthan.
    JOURNAL-GEOLOGICAL SOCIETY OF INDIA, 70(5), 699.
     
  4. Iyengar, R. N., Radhakrishna, B. P., & Mishra, S. S. (2008).
    Vedic Irina a and the Rann-of-kutch.
    Puratattva, vol 38.
     
  5. Krishnaswamy, V. S., Iyengar, R. N., & Radhakrishna, B. P. (2005).
    Evolution of the Western Coastline of India and the Probable Location of Dwaraka of Krishna.
    Geological Perspectives. Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), 66(6), 778-782.
     
  6. Iyengar, R. N., & Radhakrishna, B. P. (2005).
    Evolution of the Western Coastline of India and the Probable Location of Dwaraka of Krishna.
    Geological Perspectives. Journal of the Geological Society of India, 66(3), 285-292.
     
  7. Iyengar, R. N. (2004).
    Profile of a natural disaster in ancient Sanskrit literature.
    Indian Journal of History of Science 39.1. 11-50.
     
  8. Iyengar, R. N., & Sharma, D. (1999).
    Some earthquakes of the Himalayan region from historical sources.
    Himalayan Geology, 20(1), 81-85.
     
  9. Iyengar, R. N. (1999).
    Earthquakes in ancient India.
    Current Science, 77(6), 827-829.
     
  10. Iyengar, R. N., Sharma, D., & Siddiqui, J. M. (1999).
    Earthquake history of India in medieval times.
    Indian Journal of history of science, 34, 181-238.
     
  11. Iyengar, R. N., & Sharma, D. (1998).
    Earthquake History of India in Medieval Times.
    Roorkee. Central Building Research Institute.
     
  12. Iyengar, R. N., & Sharma, D. (1996).
    Some earthquakes of Kashmir from historical sources. Current Science.
    71(4), 330-331.
     

History of Music

  1. Iyengar, R. N. (2018).
    Concept of Śruti, Svara and Rāga of Classical Music in Sanskrit Texts.
    Indian Journal of History of Science, 53, 131-147.