Complex sentence: Shankar reveals that when he was a child, two men killed his parents in front of him and when he threatened to expose them, someone came behind him and stuffed coal in his throat, thereby depriving him of his voice.
Split into simpler sentences: Shankar reveals that when he was a child, two men killed his parents in front of him. When he threatened to expose them, someone came behind him and stuffed coal down his throat, thereby depriving him of his voice.