Rough itinerary in Bangladesh

Oct 21 (Evening) : Arrival in Dhaka.
Oct 22 : Dhaka City tour (Sadar Ghat, lalbag Fort, Pink palace, War Museum, Hindu street).
Oct 23 (Morning) : Visit Sonrgaon. Evening : Start journey to Khulna by rocket steamer.
Oct 24: Whole day in the rocket steamer. Evening Reach Mongla/Khulna.
Oct 25: Morning : Start journey to Dhaka by bus.
Night : Start journey to Chittagong by sleeper class train.
Oct 26: Whole day Chittagong.
Oct 27: Start journey to Rangamati Hill District.
Oct 28: Rangamati.
Oct 29 : Early Morning : Start journey to Chittagong --- Dhaka & reach evening.
Oct 30 : Departure to Nepal.