Here is a 15-syllable powerful Kali mantra in Bengali, English, Hindi to attain siddhis and spiritual power.
Bengali:
‘ওম হৃং শ্রীং ক্লীং
আদ্যা কালিকা পরমং ঈশ্বরী স্বাহা’
Hindi Transliteration:
“Om Hrīṁ Shrīṁ Klīṁ Ādyā Kālikā Paramaṁ Īśvarī Svāhā”
English Transliteration:
“Om Hreem Shreem Kleem Adya Kalika Paramam Ishwari Swaha”
Meaning:
Salutations to the Primordial Goddess Kali, the Supreme Power and Divine
Mother. Chanting this enhances spiritual strength and divine energy.