Kahan Wo Bachpan Key song is a Hindi modern song from the Songs From The New Theatre S Era released on 2019. Music of Kahan Wo Bachpan Key song is composed by Timir Baran. Kahan Wo Bachpan Key was sung by Pankaj Kumar Mullick, Pahari Sanyal. Download Kahan Wo Bachpan Key song from Songs From The New Theatre S Era on Raaga.com.