Rudrabhishek Puja is a ritual where devotees worship Lord Shiva in his Rudra form. It involves bathing the Shivling with a mixture of sacred waters, such as milk, honey, sugarcane juice, and Gangajal. Other items needed for the ritual include: Sandalwood paste Belpatra or Bilva Patra (Wood Apple tree leaves) Aromatic oils Flowers (Dhatura, Akand/Rui) Curd (Yogurt)  You can perform Rudrabhishek Puja at home in front of an established Shiva Linga. The placement of the Linga should be such that its Yoni faces North and the performer of the ritual faces East.