First of all, you haven't mentioned the year in which you have completed intermediate.

Secondly, it doesn't matter whether you get 79%/97%, it is not a measurable quantity of your capacity and capabilities.

Neet preparation does notrequires24*7 study, it's not about the quantity but quality. Check Career Options After PCB here.

For instance, students prepare for Neet syllabus whole year, go through every toughest chapter possible in PCB but what happens on the day of the exam? The Neet asks questions about errors and measurement, straight line motion, mole concept, which is overlooked by the aspirants thinking these are rather easy but it is a fact that many students are not able to solve the simple questions all together which results in poor performance, which is obviously unexpected.

I am listing the most important books which may prove fruitful if you are determined::

For biology, NCERT textbook, Truman textbook, for the evolution of homo sapiens use Google.

For physics: hc verma both volumes. Abc of physics., (don't solve eridov or Halliday)

For chemistry: NCERT, Mukherjee for volumetric, o.p. Tandon for inorganic, organic chemistry use Google as organic chemistry is a volatile as well changing continuously.

Advice::

There will be times when you'll find yourself stranded on an island. You'll long for a hand to support you, to understand you.

People will say that you are not selected because you didn't study but it's only the heart knows that you had studied but there were children who studied harder.

In the medical entrance, there's no such term as “failure” it's just “achieved a little late” so better late than never, isn't it!?

All the best.