STUDY MATERIAL

 SA- https://drive.google.com/file/d/1ZE24135vkkU0pNpHVYrk7NdvTE8ClD3J/view?usp=sharing

https://drive.google.com/file/d/1mCYBmkBAfCB1r4Z_VEsg1wpF2so3WKAg/view?usp=sharing

https://drive.google.com/file/d/1z9UjcFpPs9UnFcbDrNtnwtQqxohmvhfk/view?usp=sharing

https://drive.google.com/file/d/1uAa9OAdEdx6Zjdkr1Biw5zLVAl663mRQ/view?usp=sharing

https://drive.google.com/file/d/1o8jRlk8kOQCyFdGVWwh6L32UAaH6cuad/view?usp=sharing