There have a lot of places in North East India to travel. Kaziranga National Park
Goecha La Pass
Manas National Park
Fashion View Point
Orang National Park
Ban Jhakri Falls Park
The answer to this question will depends on many factors like: For How Many Days you want to Travel?
You want to Travel Solo or Family?
You are travelling in own Vehicle or Public Transport?
You want to go to see Mountains or National Parks or Trek ? I have visited almost whole of North-East Feel free to DM to ask more. ==