1) These Notes are courtesy my student 'Sejal Khatri". A very warm Thanks to her!! 2) No need to pay. Notes will open without payment. 3) This is NOT SUBSTITUTE for YOUR BOOK & Must Be Read with our Marathon on YouTube & Your primary Book. 4) For downloadable copy, please refer this 5 minute video https://youtu.be/nb19mGzIqsU 5) Help your friends by sharing with them. All the best!!