Vaisali
Lichchavis
Vajji
Anga
Parkrit
Hindi
Sanskrit
Aramic
Samudragupta
Kumaragupta
Chandragupta
Srigupta
Mrichakatika
Nitisara
Navanitakam
Mudrarakshasa
Kushan invasions
Saka invasions
Huna invasions
All the above