Vietnam, Sep 16 (ANI): President Pranab Mukherjee and Vietnam President Truong Tan Sang witnessed the signing of seven agreements and memorandums in Hanoi, including one made by Petro Vietnam and India's Oil and Natural Gas Corporation (ONGC) Videsh. India and Vietnam have deepened military cooperation over the past decade and under Prime Minister Narendra Modi, India is pushing ahead with a new strategy to establish itself as an arms exporter using export credits to leverage foreign sales. Addressing the news conference, Secretary (East) Ministry of External Affairs, Anil Wadhwa, emphasized on the need to step up people to people exchanges between the two nations. Wadhwa also said that bilateral relations between the two nations can build intensively by connecting dots of communication which should be enhanced.