RPT-UPDATE 1-India Ranbaxy Q1 net down 68 pct; drop less than f'cast

1.51 billion rupees for the firm. The year ago quarter benefited from sales of generic version of GlaxoSmithKline's herpes treatment Valtrex. Net sales fell 13.6 percent to 21.4 billion rupees. The company's shares closed up 2 percent in Tuesday trade,...