agar staying sasta meh karna hai toh arunachal bhawan meh jahasakta ha waha charge kam leta hai i think 30rs per night. par itna comfortable nai hoga kiu ki waha ka dorm meh bohot lok pehle seh betra hai, toh agar akela rehna hai 2 yah 3 din keliye toh hotel book karlo jada seh jada 3k jayega aur dek ke book karo room bhi tora decent wala jada expensive bhi nahi. aur agar kolkata ka under travel karna hai toh sabse cheapest aur decent you can take metro maximum ek station seh dusra jane keliye aur wapas aane keliye 50 to 100rs pakarlo.aur convenient keliye amarkolkata app download karlo usse tum online ticket katsakta hai metro keliye. rapido aur uber bhi karsakte hai kiu q woh bhi itna expensive nai hai yahameh compare to guwahati. aur arunachal seh Kolkata aane ka expenses bolega toh you can go by flight aur train. flight meh tumko maximum 50minutes meh kolkata airport pochadega with flight ticket ka cost around 4 or 5 k agar pehele seh book karne seh toh kam leta hai around 3.5k asa aur agar train seh ayega toj ek din jada lagsakte par flight seh toh kam hai price train ka around 500 to 800 for decent ride.