He has pioneer research on plant bioelectricity and taxonomic (table) key. He did research on snake problem of ‘Tapkra’ snake land in CG India.  Its   paper is published in AMSE Journal France. He searched a snake repellent plant Oscimum basilicum (Nag daman) and snake bite case is tried to reduce by making awareness.

Dr H. D. Mahar has also given a research paper on Elephant Human Conflict in Surguja CG India. He views to grow its fodder trees like Ficus benghalensis (Banian, ), Ficus religiosa (Boe), Ficus  glomerata (Fig tree) at bank of river in remote forest and sterilization and silicon chip insertion for their location identification. Following his researches, there is a reduction in the loss of properties and causalities. His has given seven papers of linguistic science. Two of Sanskrit, three  of Hindi and Three of English. He is a musician, he plays tabla, harmonium, keyboard and sitar. He has a research paper on Parthenium species (Congress weed ) eradication most is one of the ten hazardous plant species.

 Five math’s paper on ‘Hill height measure ,Law of Time , Bi model of Time ,Mathematical model of  Life particle , Mathematical model of  Covid 19 -Pandemic. He studied a modeling and simulation on Volcano   and seismic prediction using Geo thermo electric property. His paper is significant to predict of earthquake and volcanic hazards. This geothermal paper on volcanic prediction by geothermic experimentation is main contribution.