Why are Andhra Pradesh and Telangana fighting over Banakacherla project?

Seeking to utilise ‘surplus’ water flowing into the Bay of Bengal, Andhra Pradesh wishes to link Godavari and Krishna rivers via Banakacherla project and alleviate Rayalseema’s drought woes.

Why are Andhra Pradesh and Telangana fighting over Banakacherla project?
Seeking to utilise ‘surplus’ water flowing into the Bay of Bengal, Andhra Pradesh wishes to link Godavari and Krishna rivers via Banakacherla project and alleviate Rayalseema’s drought woes.