Hello Dear,

There are many online channels dedicated for NEET preparation. These are almost free of cost or very nominal charge. Do not spend maximum time on YouTube. At the end of the day you'll have to read your text books. Solve as many questions as possible along with the previous years papers of at least last 10 years of all subjects.  These are the links of some youtube channels:

BYJU'S NEET

Vedantu NEET Tutorials

Neela Bakore Tutorials

Unacademy for NEET

Good Luck

Some of the best Youtube Channels for NEET Preparation are as follows

1. Sachin Rana

2. Biology Byte

3. Physics Galaxy

4. JEEnlight

Besides these, you may consider taking Online Distance Learning Program from some of the Top Providers like Unacademy, Byjus, Vedantu or Allen for Complete Preparation and Test Series.

For more information about NEET as well as Preparation Tips do follow the link below

https://medicine.careers360.com/articles/neet-preparation-tips/amp

For more information about Careers360 NEET Crash Course do follow the link below

https://medicine.careers360.com/articles/neet-crash-course-careers360