Condoling the demise of ex-PM Dr Manmohan Singh, Home Minister Amit Shah said, "From being RBI Governor to...Finance Minister of...country and as PM, Dr Singh played...important role in...governance of...country." "I express my condolences to his family...in this hour of grief," Shah added. Dr Singh, who served India's PM for two consecutive terms from 2004 to 2014, passed away on Thursday.