DN Sir organic notes + tricks + short mind maps in one zip file On high demand All material in one zip file This is a zip file . It can be opened after only extracting it . Extract it using @UnzipTGBot or using any other extracting app on playstore Process Use bot @UnzipRobot : forward the file nd you will get all pdfs unzipped @Aakash_AIATS 2.5K viewsedited 14:11
