Yes, there are religious rituals and etiquettes to be observed during grave digging in Islam. The process of burying the deceased should be carried out with reverence and following the guidelines prescribed by Islamic teachings. This may include recitation of appropriate prayers, seeking forgiveness for the deceased, and conducting the burial in a respectful and dignified manner. It is important to consult with knowledgeable individuals about the specific rituals and practices that should be followed during grave digging.