Complex sentence: During this time he became involved with the magazine "Bijli" (বিজলী) and "Forward" as a journalist, later becoming publisher of "Jugantar" (যুগান্তর).
Split into simpler sentences: During this time he became involved with the magazine "Bijli" (বিজলী) and "Forward" as a journalist. He later became the publisher of a magazine called "Jugantar" (যুগান্তর).