I will be arriving at Delhi airport on 10th September with my parents, and we plan to go to Vaishno Devi. My parents family are all in Ahmedabad, so we don't really know anything about traveling in the North part of India. Our mode of transport to get to Vaishno Devi will be by train, and what we are want to know is how can we fulfil the Vaishno Devi yatra by train without any problems. We have not traveled on a train in India before so we need help from booking tickets to boarding the train. We would also like to know how long the yatra will take? The time we should start the yatra? Any place which we should visit while there?