Jammu, Apr 9 (UNI) Shat Chandi Maha Yagya organised by Shri Mata Vaishno Devi Shrine Board embarked upon at the Holy Cave Shrine of Shri Mata Vaishno Devi amidst the serene aura of spirituality and devotion besides, the performance of other religious ceremonies on the auspicious occasion of ‘Chaitra Navratra’.