Absolutely! Patna, Rajgir, and Nalanda are culturally and historically profound sites in India. Here are some travel tips for your journey:

Best Time to Visit:
The optimal time to visit these places is between October to March when the weather is pleasant and perfect for sightseeing.

Route and Accessibility:
If you're traveling by air, the nearest airport is in Patna. From Patna, you can hire taxis or take a bus to reach Rajgir and Nalanda. If by train, Patna, Rajgir, and Nalanda each have their own railway stations.

Altitude and Acclimatization:
The area is on the plains, so altitude and acclimatization are not issues here.

Accommodation and Booking:
You'll find a range of accommodations suitable to various budgets in Patna, while Rajgir and Nalanda offer decent budget to mid-range hotels. Remember to book in advance, especially during peak tourist season.

Clothing and Essentials:
Dress modestly, especially while visiting religious places. Carry sunscreen, a hat/cap, sunglasses, and ample bottled water to stay hydrated.

Health and Safety:
Carry your essential medication. Stick to bottled water and avoid street food if your stomach isn't used to it.

Local Etiquette and Respect:
Respect the local customs and traditions, and remember to remove your shoes before entering religious places. Be respectful while photographing, always ask for permission when needed. Always remember, when visiting heritage or archaeological sites, aim to leave no trace behind.