Dear aspirant hope you are doing well..

As  your profile suggest that you are an engineering aspirant then I give you the link of fee mock test of jee mains exam..

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

Or..

To get started with the NTA JEE Main online mock test please visit the official website – nta.ac.in/quiz. Candidates would have to select the exam they are appearing for and select a corresponding paper of their choice. Click on “Start Mock Test”.

Hope it's helpful thank you