If you want an on the theme of that lyric, here's a brief outline:
: A quintessential RD Burman composition that blends melodic acoustic elements with a gentle rhythmic flow. Ringtone Review
The song you are looking for is titled "Sandhya Belay Tumi Ami Bose Achi Dujone" . It is a classic Bengali romantic track originally sung by Asha Bhosle and composed by the legendary R.D. Burman Song Details Asha Bhosle Music Director: R.D. Burman Swapan Chakraborty Album/Movie: Romance - Lakshmiti Dohai Tomar Ringtone Download Options