সঠিক উত্তর হচ্ছে: গাজীপুর
ব্যাখ্যা: Bangladesh Ordnance(অস্ত্র-কারখানা) Factories (BOF) is a large defence industrial complex under the Army Headquarters, Bangladesh Army. It was inaugurated in 1970. Although it suffered considerable damage during the War of Liberation 1971, its capabilities have since been restored and expanded over these years. BOF is situated about 50 km from Dhaka, the capital city of Bangladesh, at Gazipur Cantonment, a model township with most of the civic amenities available.(
https://archive.is/20120723130334/http://www.bof.gov.bd/about.php)
