[8] In July 2007, Mostafa was acquitted in the case over the embezzlement of corrugated galvanised iron sheets from a government relief fund.
He was alleged to have tried to extort Molla Hasan Imam Faruk, Maria Union Parishad chairperson, ahead of elections.
[11] The Anti-Corruption Commission pressed charges against him for allegedly possessing 28.6 million taka in illegal wealth on 11 November 2008.
[16] In April 2011, an investigation commission found that he was involved in the repression of religious minorities during the 2001 Bangladesh post-election violence.
[17] On 30 April 2012, Mostafa participated in a countrywide strike called by Bangladesh Nationalist Party in which 10 people were injured in Rajshahi.
[18] Mizanur Rahman Minu, joint secretary of the Rajshahi District unit of the Bangladesh Nationalist Party, burned Mostafa's effigies while allegeding that Mostafa's supporters dominated all committees of Bangladesh Nationalist Party in the district on 19 December 2012.