4 weeks after exposure hiv duo test p24/antibodies (negative result) 11weeks after exposure hiv real time PCR (negative result)Are they conclusive?

More or less. The results are almost entirely conclusive. Just to be sure, get a HIV nucleic acid test done at 6 months after exposure.
Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex.
Yes. Dr. Singh is understating. I would accept either with full confidence. I hope you will live wisely from now on, and also Cherish your experience, no matter how imperfect.