The final examinations of third year honors (regular, irregular and grade improvement) students of seven colleges affiliated with Dhaka University (DU) will begin on October 23, said a DU press release on Sunday.The affiliated colleges are Dhaka College, Eden Mohila College, Government Shaheed Suhrawrdy College, Kabi Nazrul Government College, Begum Badrunnesa Government Mohila College, Mirpur Government Bangla College and Government Titumir College.