Complex sentence: After completion he went to Lumbini International College (A-Level) "was" "Under the management of Carribean College" Mahalaxmisthan, Lagankhel, which was then moved to kandevsthan (kupandole), lalitpur.
Split into simpler sentences: After completion he went to Lumbini International College (A-Level) "was" "Under the management of Carribean College" Mahalaxmisthan, Lagankhel. Which was then moved to kandevsthan (kupandole), lalitpur.