Kasol will be the best option when it comes to settle down in the north, & Munnar when it comes to South..
This two places though they have tourist attraction are yet places to dwell for your life
There are some untouched hill stations you can think of
1. Tawang Arunachal Pradesh
2. Pelling, Sikkim
3. Kausani, Uttaranchal
4. Ponmudi and Idukki in Kerala
5. Yercaud, Tamil Nadu
Pangot near Nainital
Malana near Manali
Yercaud in Tamil Nadu
Araku-Lambasingi in Andhra Pradesh
Horshley Hills in Andhra Pradesh
Ananthagiri Hills in Telangana