Well, I guess you got solution to your problems already. I just wanted to add, branded shops here in Dhaka (And Chittagong too) sell very good bats now. You can get top quality bats if you are willing to spend 4k-5k (BDT). To name a few shops of note- Sports World, Reebok. Next time, don't bring bats from abroad; will save you from a lot of hassle.
"And be true to every promise- for, verily you will be called to account for every promise which you have made." - [Al Qur'an - 17:34]