Ekadasha Rudra mantra is a set of eleven different mantras. During Maha Shivaratri or Maha Rudra Yagnya, all of the eleven mantras if recited are very beneficial for people. These eleven mantras each correspond to one month and it is said that if you recite the one specified for your month, it turns out to be most beneficial, but reciting all eleven won’t do any harm as well.

• Kapali – ‘Om HumHum Satrustambhanaya Hum Hum Om Phat’ 

• Pingala – ‘Om Shrim Hrim Shrim Sarva Mangalaya Pingalaya Om Namah’

• Bhima – ‘Om Aim Aim Mano Vanchita Siddhaya Aim Aim Om’

• Virupaksha – ‘Om Rudraya Roganashaya Agacha Cha Ram Om Namah’

• Vilohita – ‘Om Shrim Hrim Sam Sam Hrim Shrim Shankarshanaya Om’

• Shastha – ‘Om Hrim Hrim Safalyayai Siddhaye Om Namah’

• Ajapada – ‘Om Shrim Bam Sough Balavardhanaya Baleshwaraya Rudraya Phut Om’

• Ahirbhudanya – ‘Om Hram Hrim Hum Samastha Graha Dosha Vinashaya Om’

• Sambhu – ‘Om Gam Hluam Shroum Glaum Gam Om Namah’

• Chanda – ‘Om Chum Chandishwaraya Tejasyaya Chum Om Phut’ 

• Bhava – ‘Om Bhavod Bhava Sambhavaya Ishta Darshana Om Sam Om Namaha’