They Could only become productive via utkilan or unlocking with consists of veneration and worship rituals of Kāla Bhairavaācāra Guru Maleḍala. One particular does the utkilan, abhishincana , tarpan as well as other rituals to entry the sadhana practices of Kāla Bhairavaa by executing the worship ritual of Kāla Bhairavaācāra https://www.youtube.com/shorts/0vLISs2kzMI