Mahanyasa Purvaka Ekadasa Rudrabhisekam
It is an elaborate pooja offered to Lord Shiva. Shiva is supposed to have 11 forms of RUdra. All eleven Rudras are worshipped in this pooja. Initially, sthapana, avahana are done. Laghunyasam is performed. Recitation of Rudra Trishati is done and abhishekam is performed to the eleven Rudras with the eleven materials or dravyas as prescribed in the scriptures. The consorts of the eleven Rudras are also worshipped. This pooja is performed by four pudits. Recitation of Rudram is done eleven times, each one for a Rudra.