Cognomen Thirunavukkarasu (Thirunavukkarasu 
) , all around the world, is quite a rare last name. The cognomen Thirunavukkarasu is habitual in Sri Lanka, where it is quite a rare surname, Singapore, and Malaysia. Not in comparison with a country's population, the name is most common in India, Sri Lanka, and Malaysia. Likewise, Thirunavukkarasu is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Thirunavukkarasu | Singapore, Malaysia, India, United Arab Emirates, Sri Lanka |
| nepolean thirunavukkarasu researcher |
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| sorkko thirunavukkarasu researcher |
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| shyamala thirunavukkarasu researcher |
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| balamurugan thirunavukkarasu researcher (ORCID 0000-0002-5583-1720) |
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| priyadarshini thirunavukkarasu researcher (ORCID 0000-0002-3528-7721) |
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| sandeep thirunavukkarasu researcher (ORCID 0000-0003-2890-5568) |
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| k thirunavukkarasu Ph.D. The Ohio State University 1983 |
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| alagu. thirunavukkarasu |
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