Apni Kaksha:https://www.instagram.com/apnikaksha/
Telegram Group of Apni Kaksha: https://t.me/apnikakshaofficial
Link to the PDF of the notes: https://drive.google.com/file/d/15IgF0aMYfcvZV_UFipWBh7OTFnFs7NuE/view?usp=sharing