Indian shares opened lower on July 22, dragged by Reliance Industries and Wipro after both companies posted weaker-than-expected quarterly results, while volatility spiked a day before the Union Budget was due. Oil-to-telecom conglomerate Reliance, which reported first-quarter profit below analysts' estimates on July 19 hurt by lower margins on fuel sales, lost 2.7%. Wipro, which missed quarterly revenue estimates due …