Dahiya, Sudhir was born on March 28, 1974 in Jind-Haryana, India. Son of Sunehera Singh and Phoolwati Dahiya.
Diploma in industrial pollution and control, Annamali University, 1997. Master of Science in Environmental Science, G J University, Hisar-Haryana-India, 1997. Master of Technology in Environmental Science and engineering, G J University, Hisar-Haryana-India, 1999.
Science officer D Bhabha Atomic Research Center, Mumbai, India, since 2000. Presenter in field.