Asia's July Iran oil imports rise 61 pct from a year ago

* Asian July imports at 1.64 mln bpd * Imports by India, Japan, South Korea rise; China imports fall * India, South Korea imports more than double in July By Osamu Tsukimori TOKYO, Aug 31 (Reuters) - Imports of Iranian oil by four major buyers in Asia in July jumped 61.1 percent from a year earlier, marking the biggest percentage gain since April 2014, reflecting Tehran's aggressive moves to recoup market share, lost under international sanctions. Iran is regaining market sh