Meanwhile, senior special assistant to President Muhammadu Buhari on social media, Lauretta Onochie has described Ibrahim El-Zakzaky as a leader of a terrorist group.
The federal government had proscribed the Islamic Movement in Nigeria led by El-Zakzaky, after a federal high court in Abuja declared the group a terrorist organisation.
In a Twitter post, Onochie said the leader of the terrorist group has departed the country to India for medical treatment.
El-Zakzaky and Zeenat, his wife, in company of security operatives, left the country yesterday after a high court in Kaduna had granted them the permission to travel to India for treatment
They have since arrived Indai where they were received by medical doctors for immediate medical attention.
El-Zakzaky and his wife, were arrested after some of his followers clashed with soldiers in Zaria, Kaduna state.
They had been in the custody of the Department of State Services since December 2015.
The leader of the Shitte group is facing trial over allegations of culpable homicide, unlawful assembly, and disruption of public peace, among others.