Narayanan, while speaking at the international symposium 'Indo-China relations -- Resolving Contentious Issues', said the Chinese are peeved over India's support to the Tibetan spiritual leader the Dalai Lama, apart from differences over economic and border issues.
"I don't say there will be war but there will be constant conflict," the former Intelligence Bureau (IB) chief said.
China's focus has shifted to the east from Ladakh.
"There is no end, China will bring it back again and again," the former NSA said.
China is trying to strangle India by befriending its neighbours and attempting to make India friendless, he alleged.
China has employed different means, including economic blackmail, to try to win over India's neighbours, Narayanan said and noted that it had also employed such tactics with Nepal, Sri Lanka, the Maldives and Bangladesh.
He said Pakistan was the "main kingpin" in China's designs in the region.
"China's taking over of Hambantota port in Sri Lanka, Gwadar port in Pakistan and setting up of a naval base in Djibouti (in Africa) and intent to increase such presence will only lead to worsening of relations between the two Asian giants," he asserted.
"Finding common ground will not be easy, the differences may lead to unexpected consequences," he said.
Speaking at the same event, former Army chief General (retd) Shankar Roy Chowdhury was, however, optimistic that India would prove to be a match for China's military prowess.
"We have travelled a long way since 1962. Most of the issues with China are due to diminished self-perception. We are actually bigger than we think we are.
"Doklam was expression of India's self-confidence. It started with a havildar telling a junior commissioned officer on the other side that this is not 1962. It took the havildar to tell we are not in 1962," the former Army chief said.
"The Indian Peninsula provides us with the world's largest natural aircraft carrier which is unsinkable and looks over the Chinese oil supply lines from the Middle-East, apart from Andaman and Nicobar Islands placed like a dagger on the throat of the strategic shipping routes of China in the Indian Ocean," Roy Chowdhury said.
The two-day symposium has been organised by the Research Centre for Eastern and North Eastern Regional Studies, a Kolkata-based think-tank.
Disclaimer: No Business Standard Journalist was involved in creation of this content
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