Chandragupta would then defeat the Seleucid Empire during the Seleucid - Mauryan War .
The Mauryan Empire , founded by Chandragupta Maurya , would first conquer the Nanda Empire .
Chandragupta Maurya would then defeat the Seleucid Empire during the Seleucid - Mauryan War .
The Mauryan Empire , founded by Chandragupta Maurya , would first conquer the Nanda Empire .