"Whatever decision we have taken on the floor of the House (Assembly), that is the decision and we will stick to it," George told reporters after a cabinet meeting.
There has been a clamour for CBI probe from Opposition parties and the family of the IAS officer D K Ravi, who was found hanging from a ceiling fan at his flat on Monday.
The BJP and JDS have been demanding a CBI probe and blocked the proceedings of the Assembly on the issue for the last three days.