The correct option is C Nathu La
The 12th edition of the bilateral border trade between India and China from Nathu La border in Sikkim resumed for the scheduled period from May 1 to November 30. The trading days are from Monday to Thursday and the trade will continue till November 30. The announcement in this regard was made by the General Secretary of the Indo-China Border Traders Welfare Association, Tenzing Tsepel. In 2017, the trade was disrupted following the Doklam standoff. It must be noted that the Nathu La pass was sealed by India after the 1962 Sino-Indian War and was re-opened in 2006 following numerous bilateral trade agreements.