Complex sentence: Previous land lords namely Ambazhathunkal Karthas were removed from their posts and a large portion of the land was then given to Kolathettu family who were migrated to Kooroppada from Malabar probably due to Tipu Sultan's invasion.
Split into simpler sentences: Previous land lords namely Ambazhathunkal Karthas were removed from their posts. A large portion of the land was then given to Kolathettu family who were migrated to Kooroppada from Malabar probably due to Tipu Sultan's invasion.