Cognomen Rohatgi (Rohatgi 
) , globally, is quite a common last name. The cognomen Rohatgi is habitual in India, where it is a rare surname, United Arab Emirates, and Singapore. In absolute terms, it is the most numerous in India, the United States, and the United Kingdom. Very seldom, Rohatgi is the forename as well as the last name.
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| Rohatgi | Australia, United Arab Emirates, United Kingdom, United States, India |
| jawaharlal rohatgi Indian politician (b. 1887) |
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| v. k. rohatgi Statistician (b. 1939) |
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| pradeep rohatgi Indian materials scientist, IN (b. 1943) |
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| roger rohatgi American motivational speaker, US |
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| soma rohatgi researcher |
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| pankaj rohatgi Ph.D. Cornell University 1994 |
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| saurabh rohatgi researcher (ORCID 0000-0002-4000-7878) |
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| shaurya rohatgi researcher |
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| mukul rohatgi Indian lawyer, IN |
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| pankaj rohatgi researcher |
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| vijay kumar rohatgi Ph.D. Michigan State University 1967 |
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| manisha rohatgi Ph.D. Northwestern University 1997 |
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| rajat rohatgi researcher |
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| pratik rohatgi researcher |
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| pooja r rohatgi researcher |
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