Prof. Pradyumn Kumar Sahoo

Department of Mathematics

Theoretical Cosmology, Modified Theories of Gravity, Astrophysical Objects
Birla Institute of Technology & Science, Pilani
Hyderabad Campus
Jawahar Nagar, Kapra Mandal
Dist.-Medchal-500 078
Telangana, India

International visits & Collaborators

Foreign Visits

12. Visited The Erwin Schrödinger International Institute for Mathematics and Physics (ESI), University of Vienna, Vienna, Austria during 04-07 December 2023.

11. Visited Faculty of Physics, Babes-Bolyai University at Cluj-Napoca, Romania during 20-22 June 2023.

10. Joined as Visiting Professor at the Faculty of Mathematics and Computer Science, Transilvania University of Brasov, Romania during 24th May to 22nd July 2023.

9. Visited Valencia, Spain to present a paper at “22nd International Conference on General Relativity and Gravitation  (GR22)” on "Phantom energy as a transient phenomenon avoiding cosmic doomsday in f(R) gravity" from 7thto 12th July 2019 with funding support from SERB and BITS-Pilani, India.    

8. Visited Department of Mathematical Sciences, University of Essex, UK from 21st -31st May 2018 as International Visiting Fellow.

7. Visited CERN, Geneva, Switzerland from 22nd May- 11th June 2017 as visiting Scientist under exposure of BITS faculty to Universities abroad sponsored by BITS-Pilani.

6. Visited Krakow, Poland to give an invited talk on "Kaluza-Klein dark energy model in the form of wet dark fluid in f(R,T) gravity" of the 3rd Conference of the Polish Society on Relativityat Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Krakow, Poland from 25th to 29th Sept. 2016. 

5. Visited Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto, Japan to give a talk on "Bianchi type string cosmological models in f(R,T) gravity" at the Yukawa International School on "Strings and Fields" from 29th Feb to 4th March 2016 with funding support from Kyoto University.

4. Visited Leuven, Belgium to give an invited talk on "LRS Bianchi type-I string cosmological model in f(R,T) gravity" in the parallel session of the 21st European Workshop on “The string Theory Universe” at Department of Physics and Astronomy, Katholieke Universiteit, Leuven, Belgium from 7th Sept. to 11th Sept. 2015 with funding support from ECOST (European Cooperation in Science and Technology).    

3. Visited Mainz, Germany to give an invited talk on "Higher dimensional Bianchi type-III universe with strange quark matter attached to string cloud in general relativity" in the parallel session of the 20th European Workshop on “The string Theory Universe at Mainz Institute for Theoretical Physics, Johannes Gutenberg University, Mainz, Germany from 22nd Sept. to 26th Sept. 2014 with funding support from ECOST (European Cooperation in Science and Technology).      

2. Visited Seoul, South Korea to present a paper at “International Congress of Mathematicians, ICM-2014 on "Axially symmetric cosmological models with anisotropic dark energy" from 13th  Aug. to 21st  Aug.  2014 with funding support from SERB and CICS, India.    

1. Visited Wilfrid Laurier University, Waterloo, CANADA to present a paper at AMMCS-2011 on "Plane symmetric domain walls and cosmic strings in Bimetric theory"from 25th July to 29th July 2011 with funding support from DST and CICS, India.  


Dr. P.H.R.S. Moraes, 

Institute of Astronomy, Geophysics, and Atmospheric Sciences, University of Sao Paulo, 05508-090 Sao Paulo, SP, Brazil


Prof. J. R. L. Santos,

UFCG -Universidade Federal de Campina Grande, UnidadeAcademicadeFısica,58429-900, Campina Grande, PB, Brazil


Prof. Genly León

Departamento de Matematicas, Universidad Catolica del Norte, Avda. Angamos 0610, Casilla 1280 Antofagasta, Chile


Prof. Kazuharu Bamba

Cosmology Group, Faculty of Symbiotic Systems Science, Fukushima University, Fukushima 960-1296, Japan


Prof. I. Radinschi,

Gheorghe Asachi Technical University, Department of Physics, Iasi, 700050, Romania,


Prof. R. Myrzakulov

Director, Ratbay Myrzakulov Eurasian International Centre for Theoretical Physics, Nur-Sultan 010009, Kazakhstan


Prof. S. S. Xulu,

University of Zululand, Department of Computer Science, 3886 Kwa-Dlangezwa, South Africa,


Dr. Sezgin Aygun,

Canakkale Onsekiz Mart University, Arts and Sciences Faculty, Department of Physics, Terzioglu Campus, 17020, Turkey,


Prof. Xin-he Meng

School of Physics, Nankai Univ, P.R. China

Email: Electronic address:

Dr. Can Aktas,

Canakkale Onsekiz Mart University, Arts and Sciences Faculty, Department of Mathematics, Terzioglu Campus, 17020, Turkey,


Prof. Theophanes Grammenos,

University of Thessaly, Department of Civil Engineering, 383 34 Volos, Greece,


Prof. Deng Wang

National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China


Dr. Tee-How Loo

Institute of Mathematical Sciences, University of Malaya, 50603, Kuala Lumpur, Malaysia


Dr. Avik De

Department of Mathematical & Actuarial Sciences, Universiti Tunku Abdul Rahman, Selangor, 46200, Malaysia


Dr. Zeeshan Yousaf

Department of Mathematics, University of the Punjab, Quaid-i-Azam Campus, Lahore-54590, Pakistan