Additional chief secretary P P Verma will inquire into all aspects related to the incident and submit a report within 15 days, official sources said today.
The Commission would also inquire into the circumstances leading to the attack and also into lapses, if any, by the authorities concerned.
The Commission would also draw up a list of directives to be followed in case of a similar situation arising in the future, the sources said.
The MLA from Borkhola in Cachar district and her second husband were attacked and injured by a mob, who were allegedly irked over her second marriage to a member of the minority community without divorcing her first husband, in a Karimganj hotel.
Nath and Zakir were later brought to Guwahati for treatment and were now lodged at the MLA hostel here amidst tight security.
The attack led to widespread violence in Barak Valley and the situation remains tense over the issue till date.