The Tribes and Castes of the Central Provinces of India,...

The men shave the whole head on the death of a father or other venerable relative, but otherwise they never cut their hair, and let it grow long, twisting it into a bunch at the back of the head. They shave off or eradicate the hair of the face and pubes, but that on other parts of the body is allowed to remain. The hair of the head is considered to be sacred.