चेन्नई मद्रास |
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| Coordinates:13°5′N80°16′E / 13.083°N 80.267°E /13.083; 80.267निर्देशांक:13°5′N80°16′E / 13.083°N 80.267°E /13.083; 80.267 |
| देस |  भारत |
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| राज्य | तमिल नाडु |
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| जिला | Chennai,KanchipuramTiruvallur[A] |
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| Established | 1639 |
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| Area |
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| • मेगासिटी | 426 किमी2 (164.5 बर्ग मील) |
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| • Metro | 1,189 किमी2 (459.07 बर्ग मील) |
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| Elevation | 6 m (20 ft) |
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| Population |
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| • मेगासिटी | 7,088,000 |
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| • Rank | 5th |
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| • Density | 17,000/किमी2 (43,000/बर्ग मील) |
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| • Metro | 8,653,521
8,917,749 (Extended UA)[5] |
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| • Metro rank | 4th |
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| Demonym | Chennaiite |
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| Languages |
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| • Official | Tamil |
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| Time zone | UTC+05:30 (आइएसटी) |
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| पिनकोड | 600xxx |
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| Area code | +91-44 |
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| Vehicle registration | TN-01 to TN-14, TN-18, TN-22, TN-85 |
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| Metro GDP | $59 to $66 billion (PPP)[8][9] |
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| Website | Chennai Corporation |
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