- Photovolaic power generation using albedo and thermal radiations in satellite orbits around planetary bodies, Published in Solar Energy Materials and Solar Cells, Elsevier, Vol 91, Issues 15 + 16, 22 Sepetmber 2007 ISSN, 0927 – 0248.
- Accidental discharge or suicidal shot from a 9mm pistol? A case report, pusblished in the Proceedings of National Seminar on Science and Law; Role of Physics in Crime Investigation, organized by Dept. of Physics, KMM Govt.College for Women, Kannur.
- Characteristics of Solar Proton Events Observed Near Earth and Stellar Activity Variations S. Aranya, T. E. Girish, G. Gopkumar, N. G. Nisha Journal: Proceedings of the International Astronomical Union / Volume 13 / Issue S340 /February2018
https://doi.org/10.1017/S1743921318001667, Published online: 27 November 2018, pp. 265-266
- Inferring Stellar Activity Variations nearHabitable Extrasolar Planets using Dynamical Effects Varnana M.Kumar, Thara N. Sathyan, N. G. Nisha, S. Aranya, T.Girish Journal: Proceedings of the International Astronomical Union / Volume 13 / Issue S340 / February 2018.
https://doi.org/10.1017/S1743921318001655, Published online: 27 November 2018, pp. 297-298