These may be some useful tips while you travel by train:

1. Look for the most direct route to reach your destination. Well, there may be lot of routes long ones as well as shortcuts.
2. Also, you may have to change your train several times in your journey. Check for the one which has very minimal changes. This will help you to reduce stress and also possibilities of missing your next connections. And yes, obviously it will minimize the risk of luggage loss due to connection missing.
3. Online booking has made our life very easy. Some private trains provide facilities to even choose your seats in the train all by yourself. So go ahead and choose your favorite seat where you think you can enjoy the most.
4. Well, before that you need to have a proper planning for your trip. Choose your destination places where all you need to go. Book accordingly if it is a single way journey that is well and good. You can visit all the places you need to see on the way,catch your train and get going.
5. Minors or children under 2 years who do not occupy seats can travel freely in train as compared to flights and buses.
6. Also,if you have kids below 16 years they may get some discounts in booking. Just check up the costs with the rail authorities.
7. Some rail companies provide other facilities like accommodation,rental cars,discounts with the whole package of site seeing. Just check up before you start.
8. If you are traveling for long hours say more than 6 or 8 hours, then you could best travel during night time. This will help you pass your time easily.
9. There are birth system in trains which help you to stretch your legs comfortably and sleep well while you travel. Though you may have to pay more for the sleepers, it is worth going on them.
10. I would love to have window seats while traveling in train. I can afford good amount of site seeing while traveling in trains. If you have kids or your family traveling with you you can book a four seater with windows facing each other.
11. You can also go for a dining car or cafe cars or domed cars which enable you to walk on the lounges when you are tired of sitting for long hours.
12. Avoid seating near the toilets. I hate to be seated in such places where you get constant bad smell and too many people coming and going that way. It may not be safe for your luggages too if you have some precious items.
13. Some trains have varieties of facilities. You may even get coffee vending machines at some point. There may be dressing rooms too.
14. Some trains provide you with food and drinks if you are traveling for long hours.
15. Also, you may enjoy the platform breaks when the train stops at every station, get out of the train smoke or inhale some fresh air and then get into when It starts.