English Language requirement

I am on Tier 1 and planning to go for ILR. I heard that some rules are changed related to English Language Test after 19th Nov. Can someone please help in clearing following doubts:
1) I already proved my English language while Tier 1 extension through qualification. Do I need to prove it again via NARIC or by taking any test?
2) My wife is having degree in English and it is listed in NARIC site. I noticed that through point based calculator. What are the documents required for my wife to prove English requirement.
3) In ILR form SET(O) - Section 4: sequence is going as follows 4.3 (NARIC), 4.4 (NO), 4.5 (English Language Test). So, even if I am proving language through NARIC, need to give score for English Language Test. Please help what to do in this?
4) What is the change after 19th Nov?

Thanks in advance.

Read FAQs - English language requirements for settlement

Thanks for the reply Sushdmehta.
Can you please clear point 3 and 4 as well, if I am submitting point-based-system printout and certificate.
In that case what to fill in Section 4 of Set(O).

Also, is there any change proposed related to English Requirement after 19th Nov.

Thanks in advance.