These are the 11 forms of Rudra and their mantras. These mantras are very very effective when chanted during the stationary (Stambha) period of Saturn. Shani is stationary typically 3-4 days before it goes retrograde and 3-4 days after it goes retrograde. Saturn goes retrograde around 7th of April 2017 in India as per some panchang.

1. Kapali – OM Hum Hum Satrustambhanaya Hum Hum OM Phat

2. Pingala – OM Shrim Hrim Shrim Sarva Mangalaya Pingalaya OM Namah

3. Bhima – OM Aim Aim Mano Vanchita Siddhaye Aim Aim OM

4. Virupaksha – OM Rudraya Roganashaya Agacha cha Ram OM Namah

5. Vilohita – OM Shrim Hrim Sam Sam Hrim Shrim Shankarshanaya OM

6. Shastha – OM Hrim Hrim Safalyayai Siddhaye OM Namah

7. Ajapada – OM Shrim Bam Sough Balavardhanaya Baleswaraya Rudraya Phut OM

8. Ahirbudhanya – OM Hram Hrim Hum Samasta Graha Dosha Vinashaya OM

9. Sambhu – OM Gam Glaum Shroum Glaum Gam OM Namah

10. Chanda – OM Chum Chandiswaraya Tejasyaya Chum OM Phut

11. Bhava – OM Bhavod Bhava Sambhavaya Ista Darshana Hetave OM Sam OM Namaha