Focus on NCERT.
Go step by step in small chuncks. Focus on forming concepts and undrestanding is very important because organic is lot of concept based.
Make sure yo clear your doubts from your friends or teachers.
Another study hack which could reallly benefit is explaining the concepts of organic chemistry to your friends by clearind their doubts. This would cement this concepts for you and help you learn for much longer by shifting them to long term memory.
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