The Mauryan Empire then defeated Seleucus I, a diadochus and founder of the Seleucid Empire, during the Seleucid–Mauryan war, thus acquiring territory west of the Indus River.
Chandragupta rapidly expanded his power westwards across central and western India by conquering the satraps left by Alexander the Great, and by 317 BCE the empire had fully occupied northwestern India. It declined for about 50 years after Ashoka's rule, and dissolved in 185 BCE with the assassination of Brihadratha by Pushyamitra Shunga and foundation of the Shunga dynasty in Magadha.Ĭhandragupta Maurya raised an army, with the assistance of Chanakya, author of Arthasastra, and overthrew the Nanda Empire in c. 268–232 BCE) the empire briefly controlled the major urban hubs and arteries of the Indian subcontinent excepting the deep south. Outside this imperial center, the empire's geographical extent was dependent on the loyalty of military commanders who controlled the armed cities sprinkling it.
The Maurya Empire was centralized by the conquest of the Indo-Gangetic Plain, and its capital city was located at Pataliputra (modern Patna). The Maurya Empire was a geographically extensive Iron Age historical power in South Asia based in Magadha, founded by Chandragupta Maurya in 322 BCE, and existing in loose-knit fashion until 185 BCE.
