The utmost necessity is to state the ultimate mantra in Bengali in a suitable way. In such a case, consulting a Expert or someone who is experienced may be useful for you personally to be able to make certain that the pronunciation is right. अखर्वसर्वमंगला कलाकदम्बमंजरी रसप्रवाह माधुरी विजृंभणा मधुव्रतम्। https://www.youtube.com/watch?v=7yoEpl90KUg