Senamalancha Convention Hall rent, price, details. সেনা মালঞ্চ কনভেনশন হল Cantonment, Dhaka 1206. Bangladesh Army Welfare Trust Property. Sena Malancha – a spectacular world class Convention Hall and Conference Center, located at the heart of Dhaka city, is on the western side of Naval Headquarters on Airport Road, Dhaka Cantonment. This is an exclusive venue where your dream for a grand celebration comes into reality. Social or corporate gathering will find the most spacious place with a secured atmosphere. Exceptional hospitality offered by a highly professional team of Management will create an unforgettable memory in your mind. SENAMALANCHA is an enterprise of Army Welfare Trust.