I called NCS today to make appointment and found out there is new form now

I am trying to get my head around it now as well.
Section 1.31 - I don't have my mother's name in passport I took details from her national ID
I used her Other Names current Surname and in brackets her maiden name
Section 1.26 - I have similar situation - IELTS with 7.5 score
I've put
awarding body: CAMBRIDGE ENGLISH
title of qualification: IELTS
level of qualification: 7.5
award reference number: Test Report Form Number (although it is longer than provided space)
I don't have slightles idea if it's correct or not....
Section 7.1
I wrote OTHER NAMES SURNAME
Section 6.5 - no idea - never had BRP
I am not sure if I have helped you at all sorry, if there is anyone who know for sure and clarify I would be very grateful
thanks