There are various options of Thailand travel provided for tourists – by land, by air, and by boat.
Land: Traveling on the road is the main procedure going through provinces in Thailand. Public transport : either long-distance or short-distance trips in Bangkok or other provinces, tourists can travel around by bus, by train, by sky train, by subway, by van, and by Song Taew (small pick-up truck with two rows of bench).
Moreover, for those who want to have more privacy and independence, they can rent a private plane.
https://www.tourismthailand.org/About-Thailand/Travel-around-Thailand
Tourism Authority of Thailand (TAT) is responsible for the promotion of tourism and looks after PR and Marketing activities. Areas of Responsibility: Northern and Eastern India, Bangladesh, Bhutan and Nepal.
A-12/4 Ground Floor, Vasant Vihar,
New Delhi - 110057
Delhi, India
Phone: +91-11-46741111
Email: tatdel@tat.or.th