The best doctors for male infertility are available across India. Doctor Prashant Jain is the best doctor for male infertility in Delhi NCR. The main causes include problems with the testicles, damage or deficiency of hormones or DNA imbalances. They are listed on our website Ayu, and they can be found in every city. Male Infertility is a serious condition that affects millions of men around the world. It is a complex and frustrating condition that can affect both partners in a relationship. Male infertility means you cannot produce any sperm, or fail to produce enough sperm in order to produce offspring. Male infertility is the inability of a man to produce sperm. It can be due to any number of reasons, but the most common ones include age, illness and hormonal abnormalities.