The Honorary Doctorate is a honorific title conferred by an exceptional procedure thus recognizing people who are serving the humanity is different areas of life. THIS IS NOT A ACADEMIC DEGREE. This is in characteristics is Doctor Honors Cause which is common with the European universities.
The Doctor of Letters is designed to give formal public recognition for people who have rendered significant contributions to the society. A recipient of the Doctor of Letters recognition is one who has no affiliation with the International Tamil University USA.
It is important to note that all D.litt., convocations are presided by the chancellor. Otherwise they are invalid.