In which of the following states will the International Military Adventure Challenge Cup (IMACC) 2026 be organised for the first time by the Indian Army?

Which of the following became the first European country to ban social media for children under the age of 16? 

In which of the following states have researchers discovered two new species of marine worms? 

On which of the following days is World Congenital Heart Defects Day observed every year?

In which of the following states, the first emergency landing facility of the Northeast has been inaugurated?