Travel light. Less luggage is more comfort.
Familiarize yourself with train and bus schedules before traveling. Have an alternate plan in case change is inevitable.
Keep an eye on your luggage. Fasten the luggage with immovable item/hook provided in train/bus with the help of a chain and lock it.
Keep a photocopy of important documents, a small flashlight, a first aid kit, an address book, etc.
Carry medicines if any with prescription.
Don’t expose yourself with rich appearance.
Never show money in public.
Beware of pickpockets.
Don’t travel alone in areas where crime is high.
Don’t encourage beggars.
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Several tips: Safe Travel Tips