Complex sentence: Gowri then shows Parvathi's photograph to Raju, who is shocked to learn that Sathyamurthy is his own son and reveals the truth about Parvathi to Vimala, who also accepts Sathyamurthy as her son.
Split into simpler sentences: Gowri then shows Parvathi's photograph to Raju, who is shocked to learn that Sathyamurthy is his own son. Raju reveals the truth about Parvathi to Vimala, who also accepts Sathyamurthy as her son.