Pw doubt

26tard. Enrolled in pw. Offline coaching mai kuch nhi padha pura backlog almost. Lectures wagera karlunga. Just please say

1) jo saleem sir class Mai bolte ( khazana ) karne like dpps, modules, hcv and wagera. Like just following him is enough for mains and advanced? ( will do pyqs too jo sir diye karne ). 2) physical chemistry faizal sir se kr rha. Should I follow what he says only ki just do dpps, modules, ncert exemplar ke questions and finally ncert ke questions 3) maths I have no idea what to do as tk sir hasn't specified properly please tell me what I should do. 4) organic (clear hai no doubts) 5) inorganic keliye is it true sirf om pandey sir ke notes padhu and solve pyqs will be enough??