New Delhi has conveyed its serious concerns to Beijing on Chinese activities in Pak Occoupied Kashmir. According to sources, the Ambassador of India to China, Mr. S. Jai Shankar met the Chinese Vice Minister for Foreign Affairs Zhang Zhijun in Beijing on Friday and also took up the issue of reported presence of Chinese troops in Gilgit Baltistan region of POK. Earlier, last month a New York Times report had carried a story about the presence of an estimated seven to eleven thousand soldiers of the Chinese army in Gilgit region to get the road and rail access to the Gulf through Pakistan. External Affairs Ministry spokesman Vishnu Prakash had said on Monday that if the reports are true, it could be a matter of serious concern. The spokesman added that India will do everything possible to ensure the safety and security of the nation.