Hello dear, 

. Practising through the mock test of JEE Main 2019 will allow the candidates to know the exam pattern and process of answering the questions. Preparation can also be done by the candidates using the JEE Main mock test 2019 since it will allow them to practically apply what they have studied and understand the management of time.

The link to mock test is given below: 

https://engineering.careers360.com/articles/jee-main-mock-test

All the best!