Who can give Fatwa on religion–
(i) Fatwa on religious matters only may be given by the properly educated persons which may be accepted only voluntarily but any coercion or undue influence in any form is forbidden.
(ii) But no person can pronounce fatwa which violates or affects the rights or reputation or dignity of any person which is covered by the laws of the land.
(iii) No punishment, including physical violence and/or mental torture in any form, can be imposed or inflicted on anybody in pursuance of fatwa.
(iv) The declaration of the High Court Division that the impugned fatwa is void and unauthorized, is maintained. (Syed Mahmud Hossain, J). .....Mohammad Tayeeb =VS= Ministry of Religious Affairs, (Civil), 2018 (2) [5 LM (AD) 461] ....View Full Judgment

A judicial decree, sentence, order or judgment: particularly when delivered by a Mufti or doctor of Muhammadan law.
Fatwa means legal opinion by a person of lawful authority. Legal system of Bangladesh empowers only the Courts to decide all questions relating to the legal opinion on the Muslim and other laws as in force in Bangladesh and as such any fatwa by any unauthorized person is illegal. ….. [Editor, The Daily Banglabazar Patrika vs. District Magistrate, Naogaon, 21 BLD (HCD) 45]