PPL UNIT-1&2 Notes

https://drive.google.com/file/d/108OMtwUMHcKKEOkt4N-6Z7QasYnzL34h/view?usp=sharing https://drive.google.com/file/d/10nW7NfJUbkRZublzkWijLVkl63uiOf1l/view?usp=sharing https://drive.google.com/file/d/1dt4s_ptnqN2Xa1yVg_YhyZz3sSxAvzcW/view?usp=sharing