Test day ticket not an issue.
We can organise/buy on the match day from the counters at the stadium.
Its the ODI/T20 we need to manage earlier.
Find out how much one can buy max.
If you are willing to buy, then you may communicate with another volunteer member and can go together to buy 10-12 tickets we might need.
Verily, in the remembrance of Allah do hearts find rest [Al-Qur'an,13:28]