Concept:The North Eastern Region (NER) District SDG Index is a collaborative initiative involving government institutions and an international agency.
Explanation:The NER District SDG Index Report and Dashboard 2021-22 has been launched jointly by NITI Aayog and the Ministry of Development of North Eastern Region (M/DoNER).
The United Nations Development Programme (UNDP) provided technical support for this report.
Therefore, all three organisations mentioned in the options are connected to the launch of the index.
The report uses the framework based on NITI Aayog's SDG India Index.
According to the report, East Sikkim district of Sikkim topped the NER District SDG Index 2021-22.
Since NITI Aayog, M/DoNER, and UNDP are all involved, the correct choice is "All of the above."
Answer:Option D — All of the above.