How to complete syllabus and get 80%+ ?...preparation lvl:zero

So I haven't completed my syllabus . Which youtube channels should I follow to complete my syllabus ? And is arihant chapteriwse solved pyq good? And youtuber channels konse follow kru? pw vijeta series and chemistry me sourabh raina and chemistry guruji and physics me arvind academy? Vijeta ke 7-8 hours ke one shot kru sare subjects me or Bharat panchal or arvind academy se? Me bhot confused hu yrr please help :) !!!!! Preparation lvl:0