IDP IELTS — incorrect scores

Hi,
I have appeared for idp ielts test for more than 10 times.in the last 1.5 months itself i have given 5 attempts. Out of which i was able to score 8 plus bands in reading and listening section. On 1 occasion i even scored 9 band in reading.in speaking i was able to score 8 plus bands everytime. Barring 1-2 times when i got 7.5 in speaking. However, strangely i am not getting above 6.5 in writing. I have applied for revaluation of my scores for 2 results for which i have paid close to 20k. I have also registered for test in mid of december. For each registration i have paid 13.5k. You can calculate how much money i have paid to you guys till now?

How much more business you want from me? How much more money you want to loot from me?

The 2 revaluation results are my last hope to achieve my dream.