"He (Mandela) was a great advocate of humanism and a symbol of struggle for justice, service, dedication and sacrifice," Patnaik said, paying tribute to the South African leader in a message.
Stating that Mandela had strong faith in Ganjhiji's belief in truth and non-violence, Patnaik said in his death the world has lost a great Gandhian.
Congress stalwart and leader of opposition in Odisha assembly, Bhupinder Singh described Mandela as a great revolutionary and said he was imprisoned for 27 years during his struggle against the policy of apartheid.
CPI state secretary Dibakar Nayak said Mandela would be remembered for his battle against apartheid, while CPI-M state unit said in a statement that the world has lost a great leader who dedicated his life for the fight against racial discrimination.
As a unique tribute to the South African leader, internationally-acclaimed sand artist Sudarsan Pattnaik created a 5-ft high sand sculpture of Nelson Mandela with a message "Tribute to Mandela" at Puri beach.