severe oligospermia

Myself 30year old male, having fertility problem since last 2 years.
Test report of Blood test done for FSH,LH ,Proclatin ,testosterone done in nov 2009 is as below
FSH - 12.43 mIU/mL Reference range 1.7-12.0 mIU/mL
L.H.- 2.4 mIU/mL Reference range 1.1-7.0 mIU/mL
Proclatin serum -9.58 ng/mL Reference range 3.46-19.40 ng/mL
Testosterone -285.4 ng/dl. Reference range 166-877 ng/dl
The test report for the semen was showing NIL sperms .
After repeated 2-3 semen test in a period of 6 months & consulting urologist the result was same .
i visited to mumbai(india) for treatment & the doctor suggeted to do the test again .however in the test for FSH,LH,Testosterone,TSH was aslo done by LAB
the report is as below
FSH 13.69 mIU/mL reference range 1.4 to 18.1 mIU/mL
TSh 65.05 microIU/mL
and so i was deteded Hypothyroid & consulted endocronologit for treatment & started taking Eltroxin 100 mcg . The doctor also prescibed calcium 500 ,Folic acid tablets, vitamic C 500 & repeat test for semen & thyroid after two months .The results of test results after two months are as below

Time of Collection 12 : 00 Abstenance Period 5 DAYS
General Examination Chemical Examination
Volume 3 ml PH 7.6
Colour Greyish White
Occult Blood ABSENT
Viscocity NORMAL Fructose POSITIVE
Liquification 30 min
Microscopic Finding
Sperm Count 50-100sperms/ml
Clumping ABSENT
Motility 50 % ,Cellular Debris ABSENT
Total Amo.Part Debris ABSENT
Grade I 50 % Agglutination ABSENT
Grade II 10 % Abnormalities In
Grade III 30 % Head 25 %
Grade IV 10 % Neck 15 %
Morphology Tail 20 %
Normal 40 %
Abnormal 60 %
Wet Amount
Pus Cells 4-5 / hpf
RBS ABSENT
Epithelical Cells 2-3 / hpf
Gram Stain NO ORGANISAMS SEEN

FSH- 19 mIU/mL
Testosterone-400 ng/dl
The level of T3,T4 & TSH are now normal .

my main concern is now semen count and morphology .
there are dead soerms in my semen & count is too low (but much better than NIL )
Kindly see my semen test report & suggest the reason of problem & how it can be cured.