Hi Harish,
You can never store whole information present in your textbook in your mind. It is as insane as to do as it is to think. Not even a great scientist or academic scholar never remember word to word what they had written in their research paper so how could you expect this from yourself. Don't put yourself in this race because its never going to end and only cause you pain and stress.
Each day for each subject read a chapter and then scribble down the points that you can remember then again skim through it once and start solving problems and exercises at the end of the chapter.
In early days it may take much of your time but in 3-4 days a rhythm will be set.
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