| 1. T. R. Zeliang's smoking habits are not known. |
| 2. There is no information available about T. R. Zeliang's alcohol consumption. |
| 3. He was born in the Mbaupungwa village of Peren district, Nagaland to Rangleu Zeliang. |
| 4. T. R. Zeliang belongs to the Zeliang Naga Community, recognized as Scheduled Tribes in India. |
| 5. Reports indicate he held roles like General Secretary of Zeliangrong Action Committee and President of Zeliangrong Students Union. |
| 6. T. R. Zeliang also served as the President of the Peren District Youth Congress of the Indian National Congress. |
| 7. In 2014, he became the Chief Minister of Nagaland after Neiphiu Rio's election to the Lok Sabha in the Indian general elections. |