Any Offering Or Puja To Maa Bhuvaneswari you must show highest reverence and sincerity.
Only proceed if you are sunishchit {100% sure} about your pure intention, and direction.
Otherwise, you should 100% refrain from any tantric worship processes without clear guidance.
you should never get started on your own if unsure about direction or your intention. For The Dimension you will be touching Is Very Alive. Therefore, beware! Contact Temple if you need/want Guidance here