12 Astrological Signs (12 Rashi) and their Spiritual Mantras Here are 12 Astrological Signs ( 12 Rashi ) and their Mantras. In your Horoscope ( Janam Kundali ), if you have any BAD Planet ( Paap Graha ) in uncompilable astrological Sign ( Rashi ) you can chant the associated Mantra for minimum 108 times.