Conversation so far:
what were the written epics of the mauryan and gupta period
There were two epics from the Mauryan and Gupta periods: the Mahabharata and the Ramayana.
when was the maurya period
The Maurya Empire was a geographically extensive Iron Age historical power based in Magadha and founded by Chandragupta Maurya which dominated the Indian subcontinent between 322 and 185 BCE.
how big was the maurya empire
The Maurya Empire was the largest political entity that has existed in the Indian subcontinent, extending over 5 million square kilometres at its zenith under Ashoka.
how big was the gupta empire
At its zenith, from approximately 319 to 543 CE, the Gupta Empire covered much of the Indian subcontinent.

Question: when did the empire exist
Self-contained rewrite: when did the gupta empire exist