Conversation so far:
what is the name of andhra pradesh's new capital
Amaravati is a proposed, planned capital city in the Indian state of Andhra Pradesh.
where is Amaravati being built
Amaravati has been allotted space to be built on the southern banks of the Krishna river in Guntur district, within the Andhra Pradesh Capital Region.

Question: why is the state constructing a new capital
Self-contained rewrite: why is Andhra Pradesh constructing Amaravati to be the new capital