Hello Nirav and welcome to the forum, you are very welcome here!
It is recommended that you listen to one BrainEv session every day for six days, the seventh day is a day of rest from BrainEv, and you stay on each level for 4 weeks.
My personal experience with BrainEv is to be consistent with your sessions; don't skip days, try to establish a routine - if you have any problems during sessions, try changing the time of day, and make sure you are in a relaxed, unhurried state of mind before you start each session.
Also, in my personal opinion, you will gain more if you contribute to the forum, as others will support you and may have explanations for what you experience (or don't), and will suggest good solutions to gaining the most from BrainEv.
Bear in mind that many of the positive changes are subtle, so writing reports (daily, weekly, level by level, whatever suits you) will help you become aware of the changes and thus keep you motivated.
I wish you an amazing personal journey, Pure Bliss