She held a five-year position at the department of physics and astrophysics, University of Delhi as a research associate, of CSIR, followed by a two years position as the senior research associate of CSIR at the same institute.

[1] Since 2011 she was several times visiting faculty in the Theory Group of Nuclear Physics at Iowa State University and in the Field Theory Group of the Carl von Ossietzky University of Oldenburg.

[3] She helped organize the 2012 International Conference on Light-Cone Physics[4] at the University of Delhi.

[5] She also studies the boson stars[2] and wormholes in general relativity and gravity theory,[2] work which was profiled by the American Physical Society's PhysicsCentral site.,[6][7] Kulshreshtha has written over 70 scientific articles, which have received a large number of citations.

[2] Harald J. W. Mueller-Kirsten, Jutta Kunz, James P. Vary, Daya Shankar Kulshreshtha, Sanjeev Kumar