If you are planning to study in Sweden for longer than three months, you require a residence permit. The permit must be entered in your passport before your arrival in Sweden. For a stay of less than three months, no residence permit is required. You can apply at a Swedish embassy later.
Cost of Application:
If you are 18 or older ..............1 000 kr
If you are under 18 ...................500 kr
Embassy of Sweden Dhaka
House 1, Road 51, Gulshan
http://www.migrationsverket.se . In that case you will get a quicker response, say one week. It is easier. You have to submit all of your documents online, i.e. by scanning. When your visa decision is complete you will get a response stating to collect your visa from the Sweden Embassy in Dhaka. For Visa Fee, you have to pay by credit card. If you cannot manage credit card you may contact 0189-282014.