>Even a moderate water supply reduction would lead to a loss of around 10% of the harvest.
If that's the case then the die is already cast. Early in the conflict, India released too much water on the Chenub too early for the season as a way to punish Pakistan. The quantity of water was such that Pakistan had no choice but to let it run off to the sea. This now means that the upstream Indian reservoir will not have enough water to release during regular season where coordinated releases ensure farmers have an uninterrupted supply during certain critical time periods.
If that's the case then the die is already cast. Early in the conflict, India released too much water on the Chenub too early for the season as a way to punish Pakistan. The quantity of water was such that Pakistan had no choice but to let it run off to the sea. This now means that the upstream Indian reservoir will not have enough water to release during regular season where coordinated releases ensure farmers have an uninterrupted supply during certain critical time periods.