We will check who is sincere and who is ambitious from the given data:
- Sincere: Kamal, Raman, Jagmohan
- Ambitious: Kamal, Gagan, Jagmohan
Now, check each option:
- Gagan → Ambitious but not sincere
- Kamal → Both sincere and ambitious
- Raman → Sincere but not ambitious
- Harish → Not in sincere list, not in ambitious list
So, Harish is neither sincere nor ambitious.