In order to assist the Chinese side in corroborating the identity, personal details and photo of the individual was shared by the Indian Army. Response is awaited, the Union Law Minister said.
The 17-year-old was taken into China's People's Liberation Army custody at the fuzzy India-China border in the Upper Siang district of Arunachal Pradesh.
Gao said the teenager, identified as Miram Taron, was abducted by the PLA from Lungta Jor area under Siyungla area on Tuesday.
Sources said that the Indian Army is keeping all the mountain passes open to rush in troops if they are required at any of the friction points there.
"The Chinese border guard forces are determined to safeguard national sovereignty and security, and are committed to maintaining peace and tranquillity in the border area...," China's Sr Col Wu said.
The report did not say how many weapons China has today, but a year ago the Pentagon said the number was in the "low 200s" and was likely to double by the end of this decade.
One of the biggest projects to connect the remote locations of Arunachal Pradesh is in process with Detailed Project Reports finalized.
The 13th India-China Corps Commanders meet was held on October 10 at the Moldo-Chushul border meeting point on the Chinese side.
The 13th Corps Commander meeting will take place on Sunday, October 12, at Moldo Garrison, said a source, adding that it was expected to begin at 10:30 am.
He said if the Chinese military maintains the deployment through the second winter, it may lead to an LoC-like situation (Line of Control) though not an active LoC as is there on the western front.
Officials said both sides have exchanged notes as part of preparations for the 13th round of military talks to push for disengagement in the remaining friction points.
Harsh Ladakh weather affecting Chinese troops? PLA installs modular container-based accommodations at LAC
As per sources, the Indian response to the Chinese actions last year surprised the neighbouring country and that it deployed troops in areas where it never used to earlier.
Eleven Assembly constituencies of the state lie along the border. The residents of these constituencies have helped security forces by reporting transgressions by Chinese troops.
Indian army said the disengagement process was carried out over August 4 and 5 and the troops of both sides are now in their respective permanent bases.
Normal life has been affected severely in Darjeeling and Kalimpong due to the ongoing indefinite shutdown.