Hello Aspirant
There are many coaching centres which provide crash course for neet UG.
Some of the top coaching classes for neet UG in India are -
Aakash institute
Allen
Resonance
Narayana
Career point
FITJEE medical

Online platforms
Aakash iTutor ( Aakash Institute)
NEETprep
ALLENtab ( ALLEN Career Institute )
Byju's
Toppr

Contact with the mentioned classes to know about the details.
Also Self study is the key , practising previous year questions , Reading NCERT textbooks of 11th and 12th standard line by line , practicing daily Mcqs, will help you secure a very good rank .
For more information about various coaching classes follow the below link.
https://medicine.careers360.com/articles/best-neet-coaching-institutes-in-india-with-fees-structure

All the best.

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