At which Viceroy was a bomb thrown on the occasion of his state entry into Delhi?

A bomb was thrown on the occasion of his State entry into Delhi :

Who was the Viceroy of India at the time of Gandhiji's Dandi march ?

Who was the viceroy of India when Quit India movement started?

Which one of the following Viceroys was the first to officially shift his Council to Simla in summer season?

Which of these was done during Lord Curzon tenure as viceroy?