Naman Ramachandran Indian music giant Super Cassettes Industries, popularly known as “T-Series” after its label, has joined the Indian Performing Right Society (IPRS), becoming the last music major in the country to do so.T-Series joins the existing IPRS members who include Sony Music Entertainment India, Saregama India, Universal Music Publishing, Times Music and Aditya Music.T-Series, also a leading film producer, operates a vast music library of 200,000 titles, including more than 50,000