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In the world, Rajakumar (Rajakumar
) is a prevalent male first name. The forename Rajakumar is habitual in India, where it is quite a common masculine name, Oman, where it is quite a rare masculine name, and Saudi Arabia, where it is a rare male name. In absolute terms, the name is most common in India, Saudi Arabia, and Sri Lanka. Very seldom, Rajakumar is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rajakumar | Saudi Arabia, Malaysia, India, United Arab Emirates, Sri Lanka |
| selvarajan rajakumar researcher (ORCID 0000-0001-8011-4961) |
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| nagalingam rajakumar researcher (ORCID 0000-0002-1432-1345) |
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| selvaraj rajakumar researcher (ORCID 0000-0002-0459-1384) |
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Sah, Yadav, Mandal, Manjhi, Mahato, Maurya, Mishra, Mistri, Sahani, Sharma, Bhagat, Pandit, Pandey, Paswan, Prasad, Thakur, Tivari, Mukhiya, Agraval, Chauhan, Pasavan, Ravidas, Varma, Tanti, Gupta, Rishi, Saw, Sih, Pal, Ram, Ray, Roy, Das, Jha, Saha, Sahu, Debbarma, Sada, Soni, Raut, Devi, Giri, Mahto, Majhi, Sahni, Singh, Patel, Rajak, Sinh, and Chaudhari