Kindly download the chapters and go through them before the class begins. Click on the links to download :- https://drive.google.com/file/d/1dJ0S7viLQqcue1o3_SgT4Ws3nInMqzgp/view?usp=sharing https://drive.google.com/file/d/1LW7tVTxXPYnMdVVVfQdcZIIzolu6oAjo/view?usp=sharing https://drive.google.com/file/d/1ttb8VBeX_ACRc8LY471iSsx6Q7sMC6DE/view?usp=sharing