Mariha Tahsin Dr Mariha Tahsin is a policy analyst and researcher. She is a visiting research fellow at the BRAC Institute of Governance and Development (BIGD). Are Biman’s ‘ticket syndicates’ solely to blame for high airfares? Biman Bangladesh Airlines has recently been scrutinised for alleged ticket syndicates that manipulate fares through artificial shortages. 17 April 2025, 09:05 AM 17 April 2025, 09:05 AM