Complex sentence: The same year he launched Jwala (Flame), an avant-garde journal dedicated to experimental writing.Before that he had already published a collection of essays on modern Malyalam poetry (Kurukshetram, 1970).
Split into simpler sentences: The same year he launched Jwala (Flame), an avant-garde journal dedicated to experimental writing. He had earlier published a collection of essays on modern Malayalam poetry (Kurukshetram, 1970).