Tamil Nadu SIR: Unusual patterns in deleted electors list

An investigation of the Chief Electoral Officer, Tamil Nadu’s polling station-level database of implicit 97 lakh deleted electors successful Tamil Nadu reveals respective anomalies that necessitate person examination. The investigation reveals 8 chiseled categories of anomalies.

The State has provided information connected deleted electors for each Assembly Constituency astatine the polling station-level. In total, information from 75,018 polling stations were analysed. A polling presumption is antithetic from a polling centre. A centre tin person aggregate polling stations. In the lists provided below, the names of the polling stations, the sanction of the Assembly constituency, and the sanction of the territory are mentioned successful that order.

Here are immoderate of our cardinal findings:

• 14 stations amusement unusually precocious proportions of young deaths
• 35 stations amusement precocious sex bias successful deletions
• 8,613 stations person abnormally precocious deletion rates
• 727 stations study excessive deaths
• 3,904 polling stations amusement precocious decease proportions
• 495 polling stations amusement 100% death-based deletions
• 6,139 parts person precocious numbers of “absent” voters
• 172 parts amusement suspicious patterns of “permanently shifted” women

Young deaths

Pattern: Polling stations wherever much than 50 radical are recorded arsenic deceased, with astatine slightest fractional being nether 50 years of age. The information reveals 14 polling stations crossed the State wherever decease patterns defy demographic norms. In emblematic populations, deaths are heavy skewed towards older property groups, making precocious proportions of young deaths statistically anomalous.

Top 5 stations:

1. Government Model Higher Secondary School, Madavaram, Thiruvallur: 58 full deaths, 49 nether the property of 50 (84%)
2. Thooyavalanar Girls Higher Secondary School, Mannargudi, Thiruvarur: 111 full deaths, 65 nether the property of 50 (58%)
3. Tambaram Corporation Primary School, Pallavaram, Chengalpattu: 51 full deaths, 29 nether the property of 50 (56%)
4. Panchayat Union Middle School, Thiruvidaimarudur, Thanjavur: 131 full deaths, 74 nether the property of 50 (56%)
5. Panchayat Union Primary School, Nanguneri, Tirunelveli: 130 full deaths, 73 nether the property of 50 (56%)

High sex bias successful deletions

Pattern: Polling stations wherever astatine slightest 50 women were deleted, with women comprising 75% oregon much of each deletions. Data showed determination are 35 specified polling stations.

Top 5 stations:

1. St. Susai Primary School, Tiruchendur, Thoothukudi : 110 full deletions, 95 women (86%)
2. Panchayat Union Primary School, Kilvelur, Nagapattinam: 74 full deletions, 61 women (82%)
3. Panchayat Union Primary School, Poompuhar, Mayiladuthurai : 66 full deletions, 54 women (82%)
4. Sri Vivekananda’s Aided Initiation, Thiruvarur, Thiruvarur: 73 full deletions, 59 women (81%)
5. Ooratchi Union Primary School, Orathanadu, Thanjavur : 62 full deletions, 50 women (81%)

Abnormally precocious deletion rates

Pattern: Polling stations with much than 260 deletions (double the mean fig of deletions successful 1 polling presumption successful Tamil Nadu), acold exceeding emblematic rates. In 8,613 stations, much than 260 electors were deleted, representing the massive standard of deletions.

Top 5 stations:

1. NLC Higher Secondary School, Bhuvanagiri, Cuddalore: 861 full deletions
2. C.S.I. Monahan Matriculation Higher Secondary School, Chepauk-Thiruvallikeni, Chennai : 835 full deletions
3. Jaigopal Garodia Vivekananda Vidyalaya, Anna Nagar, Chennai: 817 full deletions
4. Dwarakadas Govardhandas Vaishnava College, Anna Nagar, Chennai: 814 full deletions
5. Children’s Paradise School, Velachery, Chennai: 783 full deletions

Excessive decease reports

Pattern: Polling stations wherever much than 108 deaths — 3 times the mean fig of deletions owed to deaths successful 1 presumption successful Tamil Nadu — person been reported. This signifier is observed successful 727 stations.

Top 5 stations:

1. Panchayat Union Primary School, Avanashi, Tiruppur: 216 deaths
2. O.O. Middle School, Dharapuram, Tiruppur: 207 deaths
3. Government High School, Madathukulam, Tiruppur: 205 deaths
4. Government Kallar Higher Secondary School, Usilampatti, Madurai: 196 deaths
5. O.O.N. Primary School, Dharapuram, Tiruppur: 194 deaths

High decease proportions

Pattern: These are stations wherever astatine slightest 75% of deletions are attributed to deaths. In 3,904 stations, deletions owed to decease exceeded emblematic demographic alteration patterns.

Top 5 stations:

1. Govt Primary school, Papanasam, Thanjavur (99.2% electors deletions attributed to deaths)
2. Panchayat Union Primary School, Thiruvidaimardur, Thanjavur (99.2% electors deletions attributed to deaths)
3. Thiruvalluvar aided superior school, Thiruvaiyaru, Thanjavur (99% electors deletions attributed to deaths)
4. Govt High school, Ramanathapuram, Ramanathapuram: (98.9% electors deletions attributed to deaths)
5. St. Arulappar higher secondary school, Tenkasi, Tenkasi: 98.9% electors deletions attributed to deaths

All deletions owed to death

Pattern: In respective polling stations, each deletions person been attributed to deaths. This signifier is observed successful 495 stations crossed 103 Assembly seats.

Top 5 stations:

1. Panchayat Union Middle School, Thirumangalam, Madurai: 142 electors deleted. The reasons for each were attributed to deaths
2. Panchayat Union Middle School, Sivaganga, Sivaganga: 134 electors deleted
3. Panchayat Union Middle School, Thiruvidaimarudur, Thanjavur: 131 electors deleted
4. Panchayat Union Primary School, Papanasam, Thanjavur: 131 electors deleted
5. Integrated Child Development Center, Tirunelveli, Tirunelveli: 119 electors deleted

Mass “absent” classifications

Pattern: Across the database of deleted electors, connected mean 37 per presumption are deleted for not being contiguous astatine the fixed residence. There are 6,139 polling stations wherever much than 74 voters (double the average) were deleted arsenic they were absent.

Top 5 stations:

1. Prince Matriculation Higher Secondary School, Shozhinganallur, Chengalpattu: 549 electors not residing
2. N.S.N. Matriculation Higher Secondary School, Pallavaram, Chengalpattu: 505 electors not residing
3. Government Higher Secondary School, Maduravoyal, Thiruvallur: 503 electors not residing
4. Sunbeam Matriculation Higher Secondary School, Shozhinganallur, Chengalpattu: 478 electors not residing
5. Government Higher Secondary School, Alandur, Kancheepuram: 450 electors not residing

Polling stations with an unusually precocious fig of women shifted

Pattern: These are the polling stations wherever the fig of those deleted due to the fact that they had permanently shifted is higher than average. Of these stations, successful 172 women marque up astatine slightest 75% of those deleted.

Select stations:

1. Walker Higher Secondary School, Nanguneri, Tirunelveli: 218 shifted electors, 172 are women (78.8%)
2. Union Primary School, Shozhinganallur, Chengalpattu: 192 shifted electors, 151 are women (78.6%)
3. Panchayat Union Primary School, Poompuhar, Mayiladuthurai: 172 shifted electors, 131 are women (76.1%)
4. Chennai superior school, Thiruvottriyur, Thiruvallur: 132 shifted electors, 101 are women (76.5%)
5. Panchayat Middle School, Poonamallee, Thiruvallur: 125 shifted electors, 96 women (76.8%)

The PDFs of each polling presumption was downloaded from the TN Election Commission website and past translated to look astatine elector-level data. For investigation this information was past aggregated and queried