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 Relativity at 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.