Hello Rohini
NEET is the largest entrance exam for admission to Medical, Dental and AYUSH courses in the country and to score well in this exam and get a seat in any top medical college you will have to work hard.
To start your preparation for the exam, you should know about the detailed syllabus and the exam pattern. Formulate a study plan according to your daily routine since you will have to manage your studies of B.Sc course also.
Divide your time subject wise. You should also solve previous year question paper and mock tests. It will help you to know about the level of the exam, types of questions asked in the exam and in time management also.
Go through the link below for the details about the exam and the preparation tips-

 https://medicine.careers360.com/articles/neet-2019

p { margin-bottom: 0.25cm; line-height: 120%; }a:link { }Good Luck!