Dr. rer. nat. Rajinder Singh is Member of the the Advisory Committee for: Center for the History and Philosophy of Science, Technology and Education, University of Jadavpur, Kolkata. Apart from that he is a Member of the following Scientific Societies:

  1. European Physical Society (2009-2011)
  2. German Physical Society (Sections - History of Physics & Didactic of Physics)
  3. German Soc. Hist., Math., Med., Sci. & Tech. (DGMMNT)
  4. Scientific Instrument Commission (SIC)
  5. Education and Science Union (GEW)
  6. European Society for the History of Science
  7. Astronomical Society (AG-HA)
  8. "Jugend forscht eV", Hamburg
  9. Bulgarian Soc. Chem. Edu. & Hist. & Phil. Chemistry
  10. Member of Editorial Board - Indian Journal of History of Science http://www.insaindia.org/ijhs.php