Mukta - FSH seems too high definitely. You could try accupuncture for fertility, also people in USA take DHEA tablets, 75mg per day, that drastically brings down the FSH levels.
Try natural herbal supplements like maca tablets, royal jelly, wheatgrass, omega fish oil tablets, take lots of fresh fruits and exercise.
good luck.
Also, here are a few links that may offer some hope.
http://www.****.com/index.php
(The videos are really inspiring)
http://www.****.com/unexplained_infertility.php
Sorry to hear of your situation. There are some natural remedies to help with fertility. There is a wonderful book called Inconceivable that was written by a woman who had a FSH of 42 and conceived. I would start there. I think you will find hope and inspiration. (You can get it on Amazon)
I think you should get a second opinion. Did they also test your estrogen and progesterone levels? Some women do stimulation drugs combined with IUI and achieve pregnancy this way. Because you are so young it would pay to seek another opinion. Best wishes to you. Baby dustxxxxxxx