The 48-year-old former India skipper was rushed to a leading private hospital in the city of Kolkata on Saturday, after he complained of acute chest pain and dizziness while working out at a gym in the morning. He is in the intensive care unit but said to be "stable".

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West Bengal Chief Minister Mamata Banerjee was among the first to tweet about Ganguly's "mild cardiac arrest". "Sad to hear that @SGanguly99 suffered a mild cardiac arrest and has been admitted to hospital. Wishing him a speedy and full recovery," she wrote.

Jay Shah, the Board of Control for Cricket in India (BCCI) secretary and son of Indian Home Minister Amit Shah, also wished him a speedy recovery. "I’ve spoken to his family. Dada is stable and is responding well to the treatment," he tweeted.

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Earlier this week, Ganguly had cleared the air about him joining politics ahead of the assembly elections in his home state of West Bengal. 

Post his meeting with state Governor Jagdeep Dhankhar, rumours were going the rounds that he could be India's ruling Bharatiya Janata Party's chief ministerial face in the assembly polls in West Bengal, currently ruled by Banerjee's regional Trinamool Congress party.

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However, Dada had told the media, "If the Governor wants to meet you, you have to meet him. So let us keep it like that."

Considered one of the best captains in international cricket, Ganguly quit international cricket in 2008 but continued playing in the multi-billion-dollar cricketing tournament Indian Premier League for a few more years. 

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He scored more than 18,500 runs in Tests and one-day internationals. Last year, Dada was elected as the president of BCCI, the world's richest cricketing body.