While delivering the presidential address, the Congress President who advocated the introduction of Roman script for Hindi language was

1. The question asks which Congress President advocated the introduction of Roman script for Hindi language in their presidential address. 2. Subhas Chandra Bose, during his presidential address at the Haripura Congress session in 1938, discussed the issue of a national language and script. 3. While acknowledging Hindustani (a blend of Hindi and Urdu) as the likely national language, he suggested that adopting the Roman script would be advantageous for practical reasons, facilitating communication and printing across India and internationally, even though Devanagari and Perso-Arabic scripts were prevalent. 4. Mahatma Gandhi favoured Hindustani but written in both Devanagari and Perso-Arabic scripts. Jawaharlal Nehru and Abul Kalam Azad also did not prominently advocate for the Roman script for Hindi in their presidential addresses.