"Heartfelt condolences on sad demise of Cuba's revolutionary leader, former President & friend of India, Fidel Castro," Mukherjee said on his Twitter account.
The Mexican leader also expressed regret over the death of the Cuban politician.
"Fidel Castro was Mexico's friend, he had contributed to the relations based on trust, dialogue and solidarity. I regret about the death of Fidel Castro, the leader of the Cuban revolution, the symbol of the 20th century," Pena Nieto said on his Twitter account.
Maduro said that in talks with Raul Castro the Venezuelan leader voiced support and solidarity to all the Cubans.
"I have just spoken to President Raul Castro, I have voiced support and solidarity after the death of comandante Fidel Castro to him and to the whole Cuban nation," Maduro said on his Twitter account.
Fidel Castro was born in 1926 in the Cuban village of Biran. He became Cuban prime minister in February 1959. In 2008, he announced his resignation as head of state. He remained the first secretary of the Cuban Communist Party until April 19, 2011, when he officially announced his resignation from the post.
