Rudra is a famous name of Lord Shiva. The essence of this puja is the holy chant of Sri Rudram from the Yajur Veda and giving a holy bath to Shivling with many materials including Panchamrit or fruit salad soaked in honey This is one of the most powerful forms of worships in Hinduism and is believed to bless the devotees with prosperity and peace and remove the sins of many births. Shiva is a highly benevolent God and is easily pleased.