Lord Shiva Mantras and stotras to chant on Maha Shivaratri Festival. Shivratri or Mahashivratri Festival is the Night of Lord Shiva and every year Shivratri festival is celebrated with much religious fervor by Hindus. Shivaratri Utsav is celebrated much differently than other Hindu Festivals, as on Shivratri day devotees used to observe Shivratri Vrat and chant Shiva stotras, mantras