First Semester: The viva-voce examinations for the first semester usually take place in December or January of the academic year.
Second Semester: The viva-voce examinations for the second semester are typically held in May or June of the academic year.
Please note that the exact dates for viva-voce examinations may vary from year to year. Students are advised to check the official academic calendar or consult with their respective departments for the most up-to-date information on viva-voce examination schedules.