[3][6] In September 2021, Sarwar and Justice Mustafa Zaman Islam denied bail for the managing director of Bashundhara Group, Sayem Sobhan Anvir, in a rape and murder case.
[7] Sarwar and Justice Mustafa Zaman Islam granted bail to Jhumon Das who had been detained under a Digital Security Act for making a Facebook post on Mamunul Haque, leader of Hefajat-e-Islam, after he had spent more than six months in pretrial detention.
[8] On 19 October 2021, Sarwar was appointed a permanent judge of the High Court Division by President Mohammad Abdul Hamid.
[9] In September, Sarwar and Justice Mustafa Zaman Islam in a verdict declared that the lower courts violated the rules by placing Pori Moni in police custody multiple times for questioning.
[14] In January 2023, Sarwar and Justice SM Emdadul Haque denied bail to a man accused in the Kalabagan O-level student rape and murder case.