"How can China react when the President is visiting a state of his own country? The state is an integral part of the Indian union," Tuki said.
He said China should not make provocative statement that was detrimental to bilateral relations.
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Union Minister of State for Minority Affairs Ninong Ering, an MP from Arunachal Pradesh, asked China not to interfere in the internal matters of India as it would create a wrong signal in the ongoing process of resolving the border issue.
In his address at the Arunachal Pradesh assembly, President Pranab Mukherjee yesterday said the state is an "integral and important part" of the country.
Beijing, which claims Arunachal Pradesh is a part of southern Tibet, reacted to Mukherjee's visit to the state saying it hoped India would refrain from actions that complicate the boundary question.