Hello , As you are already suffering from azoospermia problem ICSI would likely be a better option compared to IVF. Also, your past history with IVF treatment didn't work so it is quite clear that ICSI may give successful result in the future. You can also consult the doctor about IMSI treatment (Intracytoplasmic morphologically selected sperm injection) which can be also considered in the case of Azoospermia. In this technique sperm cells are examined using an advanced and a highly magnified microscope that helps in the selection of better sperm that is having the highest chance of achieving successful fertilization. Hope this answer helps you. Our blog will help answer your questions with regards to other assisted reproductive techniques - Cost of IVF Treatment in India.
You can also find experts here - Reproductive Endocrinologist (Infertility)s in Mumbai.