If im writing 2nd puc exam for 2nd attempt , the portions will be reduced or should we read full as we read in 2020 ?
Which board are you from?
PUC is offered by Karnataka Board and your profile also suggests that you are from Karnataka so I'm guessing that you are from Karnataka board.
You have not mentioned the stream you belong to i. e whether you belong to science commerce or art but Karnataka board for class 12th has been reduced by 30% and your board examination will be based on this reduced syllabus so you don't need to study the topic which has been removed.
You can get class 12 Karnataka board reduced syllabus for all the subject for board examination 2020- 2021 by visiting our page the link is provided below
This syllabus will be very helpful in your preparation because it will let you know the topics and chapters which are included in your examination , so go well through your syllabus and plan your studies so that you can score well in your board examination.
And yes , try to complete your whole syllabus at least a month before of your board examination so that you can give your last one month for practicing mock test papers and revision .
If you have any other query then you can always reach us to get them cleared :) we are always available to help you out and guide you.