I think this is one year post-secondary program so 15 points sound correct. 30 points are for Master's, Phd, or 3+ years of study. Look at Canadian study experience points here: https://www.canadavisa.com/comprehensive-ranking-system.html
Headphones were available, I did not have any problem in understanding. A few people faced some problem but those were resolved before the test started.
I took General Training test in Hyderabad on September 30th through IDP. My speaking test was at Hotel Luminous in Abids and LRW test at Hotel Katriya on Rajbhavan Road. Both tests were pretty well organized.
Your Masters may get evaluated as a four year bachelor and bachelor as three year bachelor. In that case you can claim points for two or more bachelor degrees. I may be wrong but that's what I understood. Maybe someone who has gone through this already can comment.
I think they are looking for a statement that says " funds are readily accessible". I am not sure if pension funds will be counted as readily accessible unless your fund manager says so specifically . I think that's what you need to address.