Shimla General Post Office (GPO) is located near
Scandal Point at the Mall, Shimla. The GPO's wooden building was completed in 1866. Shimla General Post Office is famous for its Tonga service. Tonga service in Shimla is the only one of its kind in the world, and in which Pathans on Kabul horses drive Tongas with mails from Kalka. Facilities for speed post, registered post and parcel are available.