| 600001 | Chennai (head office), Flower Bazaar*, Govt Stanley Hospital*, Mannady*, Mint Building*, Sowcarpet NDSO* |
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| 600002 | Anna Road (head office), Chintadripet*, MADRAS ELECTRICITY SYSTEM* |
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| 600003 | Park Town (head office), Madras Medical College*, Ripon Buildings* |
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| 600004 | Mylapore (head office), Mandaveli*, Vivekananda College Madras* |
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| 600005 | Chepauk*, Madras University*, Parthasarathykoil*, Tiruvallikeni |
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| 600006 | DPI*, Greams Road, Shastri Bhavan*, Teynampet West* |
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| 600007 | Vepery |
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| 600008 | EGMORE MDO, EGMORE NDSO*, ETHIRAJ SALAI* |
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| 600009 | Fort St George |
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| 600010 | Kilpauk, Kilpauk Medical College* |
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| 600011 | Perambur, Perambur North*, Sembiam* |
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| 600012 | Perambur Barracks, Puliyanthope*, Venkatesapuram* |
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| 600013 | Rayapuram |
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| 600014 | Lloyds Estate*, Royapettah |
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| 600015 | Guindy North*, Saidapet |
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| 600016 | St Thomas Mount (head office), Alandur(Reopened W.E.F.6.6.05)*, Chennai Airport*, Meenambakkam* |
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| 600017 | Thygarayanagar (head office), Hindi Prachar Sabha*, Thygarayanagar North ND*, Thygarayanagar South NDS.O* |
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| 600018 | Pr. Accountant General*, Teynampet |
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| 600019 | Tiruvottiyur |
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| 600020 | Adyar, Kasturibai Nagar*, Shastri Nagar* |
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| 600021 | Washermanpet, Washermanpet East* |
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| 600022 | Rajbhavan |
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| 600023 | Aynavaram |
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| 600024 | Kodambakkam |
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| 600025 | Engineering College |
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| 600026 | Vadapalani |
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| 600028 | Raja Annamalaipuram, Ramakrishna Nagar* |
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| 600030 | Aminjikarai*, Shenoy Nagar |
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| 600031 | Chetput, World University Service Centre* |
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| 600032 | Ekkaduthangal*, Guindy Industrial Estate |
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| 600033 | Mambalam R.S.*, West Mambalam |
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| 600034 | Loyola College*, Nungambakkam High Road*, Nungambakkam MDO |
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| 600035 | Nandanam |
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| 600036 | Indian Institute Of Technology |
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| 600037 | Mogappair |
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| 600038 | Icf Colony |
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| 600039 | Vyasar Nagar Colony*, Vyasarpadi |
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| 600040 | Anna Nagar |
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| 600041 | Palavakkam*, Tiruvanmiyur, Valmiki Nagar* |
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| 600042 | Velacheri |
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| 600049 | Villivakkam, Rajajinagar*, Srinivasanagar* |
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| 600050 | Padi |
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| 600051 | Madhavaram Milk Colony |
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| 600053 | Ambattur (head office) |
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| 600057 | Ennore Thermal Station |
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| 600058 | Ambattur Indl Estate, Athipattu* |
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| 600060 | Madhavaram SO Tiruvallur, Vadaperumbakkam |
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| 600061 | Nanganallur, Pazhavanthangal* |
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| 600066 | Pozhal |
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| 600068 | Manali SO Tiruvallur |
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| 600076 | Korattur RS |
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| 600077 | Ayapakkam* |
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| 600078 | Kalaignar Karunanidhi Nagar |
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| 600081 | Tondiarpet, Tondiarpet Bazaar*, Tondiarpet West* |
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| 600082 | G K M Colony*, Kumaran Nagar*, Periyar Nagar |
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| 600083 | Ashoknagar, Jafferkhanpet* |
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| 600084 | Flowers Road |
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| 600085 | Kotturpuram |
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| 600086 | Gopalapuram |
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| 600087 | Alwarthirunagar, Valasaravakkam* |
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| 600088 | Adambakkam, Nilamangai Nagar* |
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| 600089 | Ramapuram* |
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| 600090 | Besantnagar, Rajaji Bhavan* |
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| 600091 | Madipakkam, Madipakkam South*, Ram Nagar* |
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| 600092 | Virugambakkam |
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| 600093 | Saligramam |
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| 600094 | Choolaimedu |
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| 600095 | Maduravoyal |
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| 600096 | Dr Ambedkar Law Univeristy*, Perungudi |
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| 600097 | Karapakkam*, Oggiamthoraipakkam |
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| 600099 | Kolathur, Lakshmipuram* |
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| 600101 | Anna Nagar Western Extn |
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| 600102 | Anna Nagar East |
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| 600103 | Manali New Town |
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| 600104 | High Court Building |
|---|
| 600106 | Arumbakkam, Arumbakkam North* |
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| 600107 | Koyambedu, Koyambedu Wholesale Market Complex*, Nerkundram* |
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| 600113 | TTTI Taramani, Tidel Park* |
|---|
| 600115 | Injambakkam, Neelangarai* |
|---|
| 600116 | Porur, Alapakkam* |
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| 600118 | Kodungaiyur, Erukkancheri*, Rv Nagar* |
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| 600119 | Sholinganallur |
|---|
| 600125 | Mugalivakkam, Manapakkam* |
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