The anti corruption branch (ACB) of the Delhi government on Friday arrested AAP MLA Amanatullah Khan for his alleged involvement in a case of illegal appointments and financial irregularities in the management of Delhi Waqf Board.The anti corruption branch (ACB) of the Delhi government on Friday arrested AAP MLA Amanatullah Khan for his alleged involvement in a case of illegal appointments and financial irregularities in the management of Delhi Waqf Board.