Water-sharing relations between Andhra Pradesh and Tamil Nadu, which have been a subject of discussion for decades, are once again set to take centre stage at high-level talks. As part of this special visit, Tamil Nadu Chief Minister C. Joseph Vijay is scheduled to visit Vijayawada today. This will be his first visit to Andhra Pradesh in his capacity as Tamil Nadu Chief Minister, generating considerable interest in political circles in both states. Vijay is expected to hold detailed discussions with Andhra Pradesh Chief Minister N. Chandrababu Naidu on the allocation of Krishna river water to Tamil Nadu through the…