This YouTube channel is made entirely for public service and social service activities. All the videos put on this channel are completely free and if you want notes you can get them from the KCL Pharmacy app which is free for students. It is completely free for whatever money is received from this channel or any other means, through that money the school fees of poor children are spent on their college education expenses and their education. in all over India For more details, you can contact us kcltutorial4567@gmail.com CEO - Mr. Krishna Patel Technical Head - Mr. Ashutosh Sahu Thanks to Anurag Sir for his big Heart in providing free education For downloading pdf notes of this chapter in very easy language visit our website Our Official Website https://kclpharmacy.com/