There are normally two tests per month held at the British Council Teaching Centre in Dhanmondi. It is better to book well in advance to be sure you can take the test at the time you require. At the British Council Teaching Centre from Sunday to Thursday between 1000 to 1300. Be sure to bring a passport size photograph with you to attach to your application form. Scores are given on a 9 band scale, with 9 being equivalent to an expert user of English.
Different institutions have their own entrance requirements.
In general, universities request an overall band score of between 5.5 and 6.5. Requirements vary between departments. The British Council is the United Kingdom's international organisation for educational and cultural relations. Registered in England as a Charity.