Complex sentence: Back home, Sundar has a cousin Shanti (K. R. Vijaya) residing at his house (Murai Penn) who takes care of the the entire household works as her parents are no more and Sundar's mother is also dead.
Split into simpler sentences: Back home, Sundar has a cousin Shanti (K. R. Vijaya) residing at his house. She takes care of the the entire household works as her parents are no more and Sundar's mother is also dead.