SIKHIM AND BHUTAN
they had established themselves in the vicinity of Buxa and Chamurchi by March 24; the objects of General Tytler with the Left Brigade were thus speedily effected, with but slight casualties. On the Assam side the Right Brigade recaptured Dewangiri by the end of March. As Dewangiri was considered unhealthy during the rains, it was evacuated at once after its capture, the buildings destroyed, and the troops withdrawn by April 6. The military operations in both the Assam and Bengal Duars being thus completed, so far as immediate active measures were required, General Tombs returned to his command at Gwalior, and the two brigades were placed under General Tytler, with his headquarters at Gauhati, to act, if required, on the defensive, and to be ready for a further advance if circumstances rendered this necessary. The Bhutan Government now made overtures for peace, and asked for the restoration of the Duars. Preliminary negotiations followed, during which further hostilities were suspended, and resulted in a treaty with Bhutan, which was finally concluded on November 11, 1865, at Sinchula. Under this treaty the British Government retained possession of the Assam and Bengal Duars. The Bhutan Government agreed to surrender all British subjects of Sikhim and Cooch Behar detained in Bhutan against their will; to the mutual extradition of criminals; to the maintenance of free trade; to the arbitration of the British Government in all disputes between the Bhutan Government and the Chiefs of Cooch Behar and Sikhim. This treaty is known by the Bhutanese as the Ten-Article Treaty of Rawa Pani.
The Bhutanese also agreed to deliver up the two guns which had fallen into the hands of the Tongsa Penlop, and to return the agreement which they had extorted from our envoy, Eden, with an apology for their treatment of him. On their side the British Government undertook to pay the Bhutan Government, from the revenues of the Duars, an annual sum beginning with Rs. 25,000, on fulfilment of the conditions of the treaty; on January 10
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