The leader who preached in Malayalam in Oxford University firstly:AV.K. Krishna MenonBMannath PadmanabhanCMatha Amrithanantha MayiDSri. Sri. Ravi SankarAnswer: B. Mannath Padmanabhan Read Explanation: Mannathu Padmanabha Pillai (1878-1970) was a renowned Indian social reformer, activist, and orator from Kerala. He is best known for leading the Nair reform movement, which aimed to uplift the Nair community and bring about social change.Mannathu Padmanabha Pillai was invited to Oxford University in 1917 to deliver a lecture on the "Evolution of Nair Marriage Customs". During his visit, he preached in Malayalam at the Oxford University Chapel, making him the first person to do so. Read more in App