Sure, I'm glad to help you plan your tour to Raipur, Bastar, Kawardha, and Bilaspur in Chattisgarh. Here are some useful tips:

Best Time to Visit:
The best time to explore these places is during the winter months, from October to March, when the weather is pleasant and comfortable for sightseeing.

Route and Accessibility:
You can start your journey from Raipur, the capital city. From Raipur, you can drive to Bastar, it's approximately 5-6 hours by road. Post Bastar, you can head over to Kawardha, which is about 6-7 hours away from Bastar. Bilaspur is then roughly 4-5 hours away from Kawardha.

Altitude and Acclimatization:
These places are located in plains, so you don't need to worry about altitude sickness or acclimatization.

Accommodation and Booking:
Accommodations range from budget to luxury hotels and should be booked in advance, especially during the peak tourist season. Many hotels offer online booking options, and spending a little time comparing prices and reading reviews can ensure you get the best deal.

Clothing and Essentials:
Pack light cotton clothes and comfortable footwear given the tropical climate. However, during winters, light woolens might be necessary. Don't forget to carry essentials like cash, identification proofs, chargers, and a good power bank.

Health and Safety:
Maintain basic hygiene standards and stay hydrated. Avoid street food that doesn't seem fresh, and always purchase bottled water. Carry a first-aid kit with essential medications. Also, it's advisable to have travel insurance in case of unexpected situations.

Local Etiquette and Respect:
Respect local customs and traditions. Although Hindi and Chattisgarhi are the local languages, English is understood in cities. While visiting tribal areas, it's advised to have a local guide who understands the social nuances of these communities. At religious places, remember to remove your shoes outside and dress modestly.