How much time does it take if you a train from Delhi to reach Ladakh in jammu Kashmir?

There is no direct train from Delhi to Ladakh. You can take a train from Delhi to Jammu Tawi and then take a bus or taxi to Ladakh. The train journey from Delhi to Jammu Tawi takes approximately 12 hours and the bus or taxi journey from Jammu Tawi to Ladakh takes approximately 16-18 hours. So the total journey time from Delhi to Ladakh is approximately 28-30 hours.