Arrange the following in chronological order: 1- Origin of Mahajanpadas 2- Invasion by Alexander 3- Reign of Ashoka 4- Accession of Kanishka

1-2-3-4 4-3-2-1 2-4-1-3 1-4-2-3

1-2-3-4

Chronology of given events: c.600-500 BCE : Mahajanapadas 327-325 BCE: Invasion of Alexander of Macedonia 272/268-231 BCE : Reign of Asoka 78 CE: Accession of Kanishka