Complex sentence: Through his vocational training institute, he trained insurance agents of MNCs on IELTS English courses, management skills, personality development, public speaking, etc. Later on, he was elected president of All India Insurance Training Institutes' Association (ITIA).
Split into simpler sentences: Through his vocational training institute, he trained insurance agents of MNCs on IELTS English courses, management skills, personality development and public speaking. Later, he was elected president of All India Insurance Training Institutes' Association (ITIA).