Listen to Red Pen Blue Pen online. Red Pen Blue Pen is a Telugu language song and is sung by Krishna Teja Reddy, Ram Nithin, Mani Vaka, Dheeraj Athreya and Kamran. Red Pen Blue Pen, from the album Jigris - Dialogues, was released in the year 2025. The duration of the song is 2:38. Download Telugu songs online from JioSaavn.