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Research facility · Ahmedabad · India

National Institute of Occupational Health

In research, National Institute of Occupational Health stands highest in Health Sciences (#7,680 of 20,462 worldwide), Physical Sciences (#17,281 of 21,541 worldwide) and Medicine (#16,310 of 17,978 worldwide), over all time.

nioh.orgROR OpenAlex
World rank, 2022–2025
#10,111
of 28,054 · #18,721 all time
Rank in India
#720
of 1,840
Research works
511
▲ 85% vs 2013–17
Citations
9.2k
18.0 per fractional work
Top-10% rate
23.4%
record average 16.5%
Open access
38%
world 28%

What is National Institute of Occupational Health known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Health SciencesDomain #7,680 of 20,462 11.4%220
Physical SciencesDomain #17,281 of 21,541 11.9%159
MedicineField #16,310 of 17,978 9.6%155

Each strip is that field’s whole ranked pool, with the notch where National Institute of Occupational Health sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.80× its world share, 9 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.53× its world share, 9 worksBiochemistry, Geneti…Immunology and Microbiology: 1.17× its world share, 1 worksImmunology and Micro…Neuroscience: 1.71× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.36× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.45× its world share, 0 worksChemical EngineeringChemistry: 1.03× its world share, 2 worksChemistryComputer Science: 0.25× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.47× its world share, 1 worksEarth and Planetary …Energy: 0.29× its world share, 0 worksEnergyEngineering: 0.17× its world share, 3 worksEngineeringEnvironmental Science: 4.21× its world share, 22 worksEnvironmental ScienceMaterials Science: 0.51× its world share, 2 worksMaterials ScienceMathematics: 0.52× its world share, 1 worksMathematicsDentistry: 0.93× its world share, 0 worksDentistryHealth Professions: 4.02× its world share, 11 worksHealth ProfessionsMedicine: 1.51× its world share, 30 worksMedicineNursing: 2.39× its world share, 1 worksNursingVeterinary: 0.78× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 0.08× its world share, 0 worksBusiness, Management…Decision Sciences: 0.86× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.60× its world share, 1 worksEconomics, Econometr…Psychology: 0.76× its world share, 2 worksPsychologySocial Sciences: 0.16× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 4.2×. Every wedge is a field page.

Who are the top researchers at National Institute of Occupational Health?

Ranked on the composite score, Gyanendra Singh, Rakesh Balachandar and H. Venkatakrishna‐Bhatt lead among researchers whose main affiliation is National Institute of Occupational Health.

  1. 1 Gyanendra Singh India · #1,196,898 worldwide 12 citations · 19 works
  2. 2 Rakesh Balachandar India · #1,584,765 worldwide 12 citations · 18 works
  3. 3 H. Venkatakrishna‐Bhatt India · #1,600,840 worldwide 9 citations · 16 works
All ranked researchers at National Institute of Occupational Health

Which keywords describe research at National Institute of Occupational Health?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Oxidative Stress, Health Effects, Cardiovascular Disease, Mortality, Particulate Matter, Epidemiological Studies, Global Burden of Disease and Epidemiology.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Oxidative Stress16▲ 9.5×23 topics
  2. Health Effects13▲ 21×12 topics
  3. Epidemiology11▲ 2.6×33 topics
  4. Cardiovascular Disease9▲ 7.4×12 topics
  5. Mortality8▲ 12×3 topics
  6. Particulate Matter7▲ 47×2 topics
  7. Epidemiological Studies7▲ 48×2 topics
  8. Global Burden of Disease6▲ 25×3 topics
  9. Public Health6▲ 4.1×14 topics
  10. Air Pollution6▲ 46×1 topic
  11. Fine Particulate Air Pollution6▲ 62×1 topic
  12. Environmental Impact5▲ 2.8×12 topics
  13. Occupational Safety5▲ 48×2 topics
  14. Toxicity5▲ 10×8 topics
  15. Workplace Safety4▲ 29×2 topics
  16. Biomonitoring4▲ 50×2 topics
  17. Risk Perception4▲ 15×2 topics
  18. Environmental Health4▲ 52×2 topics
  19. Safety Climate4▲ 44×1 topic
  20. Safety Culture4▲ 54×1 topic
  21. Food Safety4▲ 12×5 topics
  22. Metal Toxicity4▲ 61×2 topics
  23. Cadmium Carcinogenesis4▲ 105×1 topic
  24. Lead Exposure4▲ 105×1 topic
  25. Risk Assessment4▲ 5.1×7 topics
  26. Diagnosis3▲ 3.4×8 topics
  27. Immunotherapy3▲ 4.3×3 topics
  28. BAP1 mutations3▲ 173×1 topic
  29. Malignant Pleural Mesothelioma3▲ 173×1 topic
  30. Vaccine3▲ 7.0×6 topics
  31. Antioxidant3▲ 4.1×13 topics
  32. Occupational Health3▲ 21×6 topics
  33. Health Impact2▲ 42×2 topics
  34. Environmental Risk Assessment2▲ 24×3 topics
  35. Exposure2▲ 40×2 topics
  36. Human Health2▲ 13×2 topics
  37. Heavy Metals2▲ 8.3×4 topics
  38. Liquid Chromatography2▲ 32×1 topic
  39. Pesticide Residues2▲ 112×1 topic
  40. Pollution2▲ 10×3 topics

Which research topics does National Institute of Occupational Health publish most on?

By volume in 2022–2025: Air Quality and Health Impacts, Occupational Health and Safety Research, Heavy Metal Exposure and Toxicity and Occupational and environmental lung diseases.

Air Quality and Health I…6Air Quality and Health Impacts: 6 fractional worksOccupational Health and Safety Research: 4 fractional worksHeavy Metal Exposure and Toxicity: 4 fractional worksOccupational and environmental lung diseases: 3 fractional worksPesticide Residue Analysis and Safety: 2 fractional worksOccupational exposure an…2Occupational exposure and asthma: 2 fractional worksTuberculosis Research and Epidemiology: 2 fractional worksPesticide Exposure and Toxicity: 1 fractional worksEnergy and Environment Impacts: 1 fractional worksClimate Change and Health Impacts: 1 fractional works
Health, Toxicology and MutagenesisRadiological and Ultrasound TechnologyPulmonary and Respiratory MedicineFood Science4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Air Quality and Health Impacts Health, Toxicology and Mutagenesis 6 works
  2. 2 Occupational Health and Safety Research Radiological and Ultrasound Technology 4 works
  3. 3 Heavy Metal Exposure and Toxicity Health, Toxicology and Mutagenesis 4 works
  4. 4 Occupational and environmental lung diseases Pulmonary and Respiratory Medicine 3 works
  5. 5 Pesticide Residue Analysis and Safety Food Science 2 works
  6. 6 Occupational exposure and asthma Public Health, Environmental and Occupational Health 2 works
  7. 7 Tuberculosis Research and Epidemiology Infectious Diseases 2 works
  8. 8 Pesticide Exposure and Toxicity Plant Science 1 works
  9. 9 Energy and Environment Impacts Pollution 1 works
  10. 10 Climate Change and Health Impacts Health, Toxicology and Mutagenesis 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available38.0%not open62.0%

World: 28% of research is openly available.

with international co-authors11.9%domestic only88.1%

World: 19% is written across borders.

How has National Institute of Occupational Health's research output changed?

Output in 2018–2022 was 85% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Ahmedabad

All research institutions in Ahmedabad

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.