Hi Renuka,
You can download the pdf of the book 'X am Idea' of Biology subject for your 12th standard by clicking this link :-
https://drive.google.com/file/d/1-XFrQM6bzxSinnVlvmPXZks4j5zySQiu/view?usp=sharing
- Hope you will like it.
- Have a great day.
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