A Mumbai court on Thursday remanded Iqbal Hasan Sheikh Kaskar, younger brother of underworld don Dawood Ibrahim, to judicial custody till March 20 in a murder case.

He was produced amidst tight security before Magistrate S S Shirke.

Kaskar was arrested on February 20 allegedly for the murder of an informer. The was held at the airport after being deported by the Dubai authorities.

The investigation was entrusted to M R A Marg police station, which registered the crime in 1998.

The Crime Branch stepped into the case a week after Kaskar's arrest.