Complex sentence: Meanehile Sujata finds out that Vividha is Ravish's wife knowing the truth, she decided to leave Ravish's home as she doesn't want Vividha to come back in Atharv's life.
Split into simpler sentences: Meanehile Sujata finds out that Vividha is Ravish's wife. On knowing the truth, she decides to leave Ravish's home as she doesn't want Vividha to come back in Atharv's life.