Dhaka, Sept 21 (UNB) – BNP acting secretary general Mirza Fakhrul Islam Alamgir returns home tonight (Monday night) after taking medical treatment abroad for nearly two months. “Mirza Fakhrul is scheduled to arrive at Hazrat Shahjalal International Airport by a Singapore Airlines around 10:30pm,” BNP chairperson’s media wing member Sayrul Kabir Khan told UNB. He said…