Which of the following has become the world’s largest electrified rail system?

By whom among the following was the book titled ‘Agni Sarasulo Vikasinchi Kamala Draupadi Murmu’, based on the life of President Draupadi Murmu, written?

On which of the following days was the 19th Pravasi Bharatiya Divas celebrated?

Uli Kestenholz passed away at the age of 50. Which sport was he associated with?

Which of the following has launched a global initiative to become the world’s first multinational IIT?