Complex sentence: His connections to the right-wing Sangh Parivar threatened to damage the credibility of what was nominally an apolitical movement and he was soon replaced by Anna Hazare, a veteran social reformer with a history of undertaking fasts in support of his causes.
Split into simpler sentences: His connections to the right-wing Sangh Parivar threatened to damage the credibility of what was nominally an apolitical movement. He was soon replaced by Anna Hazare, a veteran social reformer with a history of undertaking fasts in support of his causes.