The reaction has come after the Times of India quoted a government official on condition of anonymity as saying that responsibility for ambush in the northeastern state of Manipur, "may have unilaterally ended its cease-fire ... at the behest of Chinese People's Liberation Army (PLA)."
"The Indian media has long been a rumormonger when it comes to China's support for the insurgent groups in northeastern India," said Zhao Gancheng, director of the Center for Asian-Pacific Studies at the Shanghai Institutes for International Studies to Global Times.
"A connection between China and the Indian rebels is impossible, especially after India and China resumed diplomatic relationships in 1988," Zhao added.
An another report published in Indian Express quoted an Indian official as saying that his government had acquired recordings of a phone call in which a PLA official asks the NSCN-K leader about his health and tells him to learn the Chinese language.
"The phone-intercepts can prove nothing ... It is hard to determine the identity of Chinese officials just by a phone conversation. It can be easily forged," said Wang Dehua, director of the Center for South Asian Studies at Tongji University.
"Report published in Times of India is illogical," said to Li Li, deputy director of the Institute of South and Southeast Asian and Oceania Studies at the China Institutes of Contemporary International Relations.
"It is impossible for China to intervene in the domestic affairs of India, especially when the two countries' relationship is developing very well after [Indian Prime Minister Narendra] Modi's visit," Li added.