According to several media sources, Pakistan has just extended the overflight ban for Indian aircraft by a month to morning of Oct 24th.

The CCU fuel stops for SFO flights will continue.

Air India seems to have already factored this in into current schedules until first week of Dec, so there shouldn't be any impact on schedules unless Air India now extends the fuel stop schedules to Jan affecting Dec flights.

The next update from Pakistan in a month.