Chinese President Xi Jinping on Tuesday said China cannot let a single piece of its territory split and won't allow anyone to damage its sovereignty.
The armies of both countries have been engaged in a standoff since June 16 in Sikkim section where India and China share a 220-km-long border.
China has maintained that there won't be a meaningful dialogue without the unconditional withdrawal of Indian troops.
Meanwhile, India maintains that the unilateral action by China to build a road in the area was altering the status quo and had serious security implications for India.
Doklam is disputed between China