Hello student I'm sorry to inform you but Physics Wallah is a third party portal and we don't have enough information to assure you if it's good or not. I request you to please check careers360 knockout package for preparing and qualifying Neet/Jee main entrance examination.

Refer to the link mentioned below -

Jee main - https://learn.careers360.com/knockout-jee-main-april/

Neet knockout package -https://learn.careers360.com/knockout-neet-may/

Feel free to comment if you've any doubt

Good luck