You could start with Solomon temple
See the barking deer and if lucky Royal Bengal tiger at Khwanglung sancturary.
Experience the folklore story behind Rih Dih lake
View Durtlang hills
Shop at Burra bazar
Explore State museum
Touch the waters of Vantawang falls
Boat in palak lake and Tamdil lake
Visit major cities Tripura, shillong, jaflong, cherrapunji if your itinery can cover.
Mamit, saiha are offbeat spots.
For local transport- buses, cabs are available.
Mizo is their local language besides English.
Have a safe journey.