Police registered the case under section 295 A (deliberate and malicious acts, intended to outrage religious feelings of any class by insulting its religion or religious beliefs) of IPC against the Congress leader.
In his post on a social networking site on February 22, Singh allegedly equated the schools run by the madrssas and RSS, saying that both spread "hatred".
A complaint in this regard was lodged by Majlis Bachao Tehreek (MBT) leader Amjed Ullah Khan, said Dabeerpura police inspector C Venkanna Naik.