As you are preparing for NEET you must be hardworking.
It will be easy if you join a coaching if you can afford or if you think beneficial for you.
Coaching institutes:
ALLEN KOTA
TARGET PMT JANAKPURI DELHI
AAKASH.
SRI CHAITANYA JUNIOR COLLEGE.
You should follow your teachers they will show you path and one of the most important factor about coaching institutes is that they follow a regular curriculum so you do not have to worry about completing the syllabus .Do what your teachers says.
Get your doubts solved on regular basis.