Point 30R Post of Chumar area was in news in September 2014 for which of the following reasons?
a) The area witnessed incursion by Chinese Army several times in the month where they even pitched their tents
b) The area was opened for Kailash Mansarovar Yatra during the India visit of Chinese President Xi Jingping
c) The area witnessed infiltration of terrorists from Pakistani side during the Jammu and Kashmir floods
d) The area witnessed a heavy earthquake several times in the month leading to landslides