The language is maybe Sanskrit or Pali. But the script is that of Nepal Bhasa in ranjana. The third pic is the Saptakskar(सप्ताक्षर), a monogram type of Ranjana script only for this matra purpose. It has alphabets "ए" at right and "बं" at left. The middle monogram has "ह क्ष म र ब र यं" alphabets.