A Rangers statement issued here on Saturday said that Najeeb Alam was produced before the anti-terrorist court.
It said that the court remanded Najeeb Alam for 90 days remand to Rangers for interrogation.
The accused during initial interogation has admitted burning to death lawyers at Tahir Plaza in 2008.
It said that the accused was also involved in illegal approval of site plans for builders and extortion.
The accused was also involved in attendance of ghost employees and collecting their salaries.