FTP, identify this empire, whose third ruler accepted Buddhism, which was founded by Chandragupta and which ruled India for 150 years.
This empire was ruled from its capital at Pataliputra, now the city of Patna.  Founded by the king of Magadha who, from his home of Bihar, drove out the Greeks, it fell to the Sungas in 187 BC. FTP, identify this empire, whose third ruler accepted Buddhism, which was founded by Chandragupta and which ruled India for 150 years.
This empire was ruled from its capital at Pataliputra, now the city of Patna.  
the Mauryan empire