Coadunate, Sati is nearly extinct. It is also ritual human sacrifice. There is approximately one case every year now. There has been a lot of awareness spread by the government and NGOs. However, no attention has been paid to ritual human sacrifice, which has now become rare as education has spread. However, 45% of India's population is still illiterate.
MissC, the tantric practitioners don't eat their victims, these are intended for Kali. However, a certain Vaishya sect does practice cannibalism - the Aghoris. These sadhus (ascetics) collect dead bodies from the Ganges river and eat the flesh raw. They believe that by doing so, they achieve special powers. They worship Bhairava, the violent form of Shiva (destroyer of the world). Bhairava is also Kali's male counterpart, however, he does not demand blood.