Complex sentence: Seeing things going out of hand, Sundar and Uma decide to meet up and this is overheard by Shanti who also decides to leave Sundar's life as she feels that Uma should take her rightful place.
Split into simpler sentences: Seeing things going out of hand, Sundar and Uma decide to meet up. This is overheard by Shanti who also decides to leave Sundar's life, as she feels that Uma should take her rightful place.