Complex sentence: Thiruppanandal and Aduthurai are two minor commercial places and kumbakonam is major commercial place.The facilty like lightings, drinking, and roads are developed but transports is not yet developed efficiently.
Split into simpler sentences: Thiruppanandal and Aduthurai are two minor commercial places and Kumbakonam is a major commercial place. The facilities like lightings, drinking, and roads are developed but transports is not yet developed efficiently.