Sikyong Dr Sangay also 'thanked the long-standing support of Germany for the non-violent struggle of the Tibetan people.'
Dr Sangay in the congratulatory letter to Chancellor Merkel said: "On behalf of the Tibetan people, I congratulate you on winning the German federal election and for securing a third consecutive term as the Chancellor."
"I wish you all the success in meeting the challenges in leading Germany forward during the next four years," he added.
Dr Sangay said his "administration expresses its admiration on your formal meeting with His Holiness the Dalai Lama at the chancellery in September 2007. We also appreciate your deep concern for and your vocal opposition to human rights violations around the world."
"We welcome your statement calling for dialogue between the Government of China and the representatives of His Holiness the Dalai Lama in peacefully resolving the issue of Tibet," he further added.
"I also thank the people and government of Germany for their long-standing support for democracy and non-violent struggle of the Tibetan people. I look forward to your continued support for the issue of Tibet, under your leadership," Sikyong stated in the letter.
The Tibetan Parliament-in-Exile has also congratulated the German Chancellor Angela Merkel on winning the recent federal elections.
In the letter to German Chancellor Merkel, Speaker Penpa Tsering wrote: “On behalf of all the Tibetan people, the Tibetan Parliament-in-Exile wishes to congratulate you for the emphatic victory in the recent election and also for being elected for the third term as the Chancellor. We wish you all the success in your endeavours.
“As you are well informed about the situation in Tibet, we seek your continued support in peacefully resolving the ongoing crisis in Tibet and a lasting solution to the long standing issue of Tibet.”