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Jayasimha "Squadron Leader (Retd.) Jayasimha Ravirala is India’s leading trainer in memory and soft skills, and the only Indian to hold maximum Guinness Records in the world. He is also the President of World Memory Sports Council for India and the Managing Director of Jayasimha Mind Dynamics, Hyderabad. He is based in Hyderabad, India."

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ULTIMATE GUIDE TO MASTER YOUR MEMORY by Jayasimha ₹195
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