when to shave baby head (at wat month/age)

A. Hello good morning !! Normally hair shave ,mundan(Tonsure) is best after one year as babies head upper part is soft. So mostly after 2 complete years ,3rd year starting odd number years or months... But these days prefering below one year 9,11 months is best odd number month and below one year . It depends on family rituals,tradition ask your elders,pandit ji...