12625 KeralaExp should start from Trivandrum around 8:30 in the morning and should reach New Delhi in the morning by 8 or 8:30 so that there is enough turnaround time at NDelhi. Currently if 12625 KeralaExp arrives New Delhi late by 3 or more hrs 12626 Kerala is rescheduled as same rake is used. Either an extra rake should be provided currently running with six rakes