Recitation of Shani mantra helps create a protective shield around a person against adverse or malefic effects of Shani in his/her horoscope. The mantra helps a person to get rid of hardships, hindrances and obstacles from his/her life. The essayer obtains energy and gain confidence to fight any problem coming in his way with the blessings of Lord Shani. Lord Shani blesses his devotees with health, wealth and happiness. Those suffering from depression and anxiety can be cured completely with the regular recitation of Shani Mantra. 
This mantra is also to be done when one is undergoing the dasha or sub dasha period of planet Saturn or during the Sade Sati or Dhaiya period.