What to pack for Bangladesh

Luggage and bags: A simple, lockable backpack for the road.
A daypack for the day's outing.
Optional: a suitcase or cargo pack to be left in your hotel storage until you're back in Dhaka on your way home.

Clothing/Shoes/Weather Gear: Teva or similar brand rubber/plastic sandals that stay on in the mud.
Black or gray trainers or light hiking shoes (not boots!) that serve as city shoes, office shoes and forest hike shoes.
Small, collapsible umbrella against the sun and rainshower.

Toiletries and Medical Supplies: Mosquito repellent.

Photo Equipment: Slides film
Telephoto lens for people photography (can be difficult in Bangladesh)

Camping/Beach/Outdoor Gear: Decent bathing gear for Cox's Bazaar.

Miscellaneous: GSM mobile telephone; B'desh has several providers and very good coverage.
Photos from home - mountains and snow and towns, if you have any.
Nelles North-East India travel map (includes B'desh)
Safety strips, padlocks etc as safety on your baggage.

Miscellaneous: Bring as many clothes, (or anything you have which you don't need) to give away to the orphanages, as you can. They are grateful for anything you can give them.

Experiecing poverty here makes you feel quite humble, it puts the bombay slumbs to shame. Because of the poverty I found Bagaladesh quite a harrowing experience. This is the only place I have experienced agressive people, en masse. I had never come across that before, nor since.

Miscellaneous: Don't forget this:
-mosquito net
-washing line
-medication for stomach-problems
Also, bring something like extra-adhesive tape, that you can use to set up the mosquito nets. Depending on where you chose to stay, there may not be any hooks or similar asvailable to fasten the net otherwise.

Clothing/Shoes/Weather Gear: It's hot and sticky so dress apropriately

Toiletries and Medical Supplies: Immodium or something stronger.

Luggage and bags: This is the KUNDA GHAT floodplain near Nasirnagar.