| Author Profile : |
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 | Author : | Amar Singh
| | Current Position : | | Assistant Professor, Deptt. Of Physics, SMSD Govt. College Nangal Chaudhary, Haryana. | | Education : | | - | | Short Profile : | | Amar Singh is working as Assistant Professor at Deptt. Of Physics in SMSD Govt. College Nangal Chaudhary, Haryana. |
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