Aditya Hridaya Stotra in Valmiki Ramayana is a hymn dedicated to Lord Surya (Sun God). Below is Lyrics of Aditya Hridaya Stotra in Bengali in pdf.
It consists of 31 verses and is found in the 107th chapter of Yuddha Kanda of Ramayan. Aditya Hridaya was explained to Lord Ram by Saint Agastya to uplift his spirits in the war against Ravan.
You can download Aditya Hridaya Stotra in Bengali in pdf here - Aditya Hridayam text and meaning in PDF format in Bengali