The most powerful prayer of lord shiva,as per prampara this was performed by guru at the residence of his disciple .
Rudrabhishek
There is a lot of importance of performing Rudrabhishek on Shivlinga. Abhisheka should be performed with unbroken grains of rice to attain son, with Bili leaves to attain wealth, with Durva to attain long life, with black sesame seeds for various wish fulfillments, with milk to get relief from various diseases and with ghee for Raj Bhog by peformaing eleven Abhisheks one Rudra Yagya is performed. Anybody can perform Rudrabhisheke.