Listen to Boro Kosto Lage Instrumental online. Boro Kosto Lage Instrumental is an Instrumental language song and is sung by Ayan Sengupta. Boro Kosto Lage Instrumental, from the album Echoes of Bollywood Grooves, was released in the year 2024. The duration of the song is 3:57. Download Instrumental songs online from JioSaavn.