In his condolence message to the late leader's wife Rinchin Drema, Dr Singh said in Khandu's passing away Arunachal Pracesh and the country have lost an experienced and 'Wable leader who spent long years in dedicated public service.
The text of the prime minister's message is as follows:
'I learnt with great sadness of the tragic demise of your husband Shri Dorjee Khandu, chief minister of Arunachal Pradesh. Shri Khandu was a veteran politician of Arunachal Pradesh who worked tirelessly to promote the interests of the state. He spent his early career in grass-root activities among the people of Tawang district. He was elected unopposed to the first legislative assembly of the state of Arunachal Pradesh in 1990 and continuously served the same constituency since then. He worked for Arunachal Pradesh's development with dynamism and energy, while holding a number of cabinet positions in the state government, notably as the minister of power. Khandu worked hard for the development of Arunachal Pradesh and served the state with distinction after being appointed the fifth chief minister of Arunachal Pradesh in April 2007.
'In his passing away the state and the country have lost an experienced and able leader who spent long years in dedicated public service .
'I express my most sincere condolences at the untimely and unfortunate demise of Khandu and hope that his relatives, friends and many well-wishers will have the strength to bear this irreparable loss.'