1. World Immunization Day 2023 is observed on which day?
2. The Agartala-Akhaura rail link is associated with which of the following two countries?
3. Who has published the Annual Report (2022-2023) of the Gender and Policy Laboratory of Chennai Corporation?
4. Whose birthday is observed as National Education Day?
5. Recently India and which country jointly engaged in 2+2 talks?