Hello NEET MBBS , The following work is must be done for revision of chemistry in one day for neet are;

1. Read the chapter from NCERT.
2. Note the important formula on a sheet of paper.
3. Read the same chapter from the desired reference book.
4. Understand the application of these formulas.
5. Add the extra information that you find in the reference books to your notes.
6. Now start solving questions on your own.
7. Revise in the same sequence.

Hope it will be helpful for you :)