I have read it once, and some topics 2-3 times. Due to managing my gs preparation, I am finding myself in lagging behind the due course.
Hey@Un_Worded.Check out the psir thread - lots of questions have been answered there and people have posted strategies too. You can always ask doubts there.
https://forumias.com/post/detail/PSIR-Strategy-resources-discussion-1601965839
Good luck :)