Dr. P.L. Soni holds a doctorate degree in Inorganic Chemistry from University of Delhi. Previously he has worked as a Lecturer at S.D. College in Ambala and ARSD College in University of Delhi, as Professor in PDM College of Engineering in Bahadurgarh, as a consultant to Quality Chemicals Delhi, as a member of the CBSE syllabus forming committee, and as a Director at Guru Tegh Bahadur Institute of Technology in IP University. He was also on the panel of Staff Selection Commission.
Post retirement, he is a subject expert on several selection committees for schools and engineering colleges. He now spends time disseminating knowledge through his books and writings.