Hello student Edurev infinity is a third party portal and we don't have enough information about it to recommend you should use it or not.

We've careers360 knockout package for Jee main, please out it also offers you 100 percent money back guarantee if you don't qualify.

Refer to the link mentioned below - https://learn.careers360.com/knockout-jee-main-april/

Feel free to comment if you've any doubt

Good luck