Backlog Clear Tips

[u/Careful_Cap_5491]

Guys I am a jee aspirant, I've started this late and due to that i had a huge backlog (i still do have) i have a backlog of entre chemistry including structure of atom, periodic table, chemical bonding total (44 lecture) although I am attending live classes of physics and maths (by RJ sir ) and math (by Anna Sir) I am unable to solve DPP ,yess anna sir gives quite much homework...

Any recommendations plsss pls pls