This solution identifies the former Chief Minister of an Indian state who received the Padma Bhushan award posthumously in the year 2021, based on the provided options.
| Name | Prominent Role | Padma Bhushan Award Year | Awarded Posthumously |
|---|---|---|---|
| Ram Vilas Paswan | Union Minister | 2021 | Yes |
| Madhav Singh Solanki | Former CM of Gujarat | 2004 | No |
| Tarun Gogoi | Former CM of Assam | 2021 | Yes |
| Motilal Vora | Former CM of Madhya Pradesh | 2020 | No |
The question requires identifying a former Chief Minister awarded the Padma Bhushan posthumously in 2021.
Based on these facts, Tarun Gogoi fits the criteria described in the question.
The theme of the United Nations Day Concert 2020 was :