Q. Dr. Subbanna Ayyappan, who recently passed away, played a key role in which revolutions in India?
Answer: Blue Revolution
Notes: Dr. Subbanna Ayyappan, a renowned fisheries scientist and Padma Shri awardee, was found dead in the Cauvery River near Srirangapatna, Karnataka, on May 10, 2025. He was known as the architect of India’s Blue Revolution, which boosted fish production through scientific aquaculture. He was 70 years old at the time of his death.

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