At which place Mauryan empire built palace?

In Mauryan empire, ‘Bhaga’ and ‘Bali’ were:

Who was the founder of the Maurya Empire ?

The last Mauryan emperor was?

Ashokan inscriptions in north-western part of the Mauryan Empire near Peshawar were in:

Ashoka won the Avanti Mahajapad and merged in the Mauryan empire during Bindusara ruled. Which text does it refer to?