This train does not have a Tatkal Quota from Kopargaon and hence for all the days for which booking is not yet opened, it shows REGRET.
However, for the days the booking has been opened, it is showing available to the extent, this leg is available due to booking of some tickets for the sectors other than this (a few seats which are booked to Kopargaon or before, are being shown available from Kopargaon).