Gandhinagar, Jan 24 Gujarat aims to become the world centre for green hydrogen by creating an estimated 8 MTPA production capacity in another 10-12 years, state Industries Minister Balwantsinh Rajput has said. Addressing a plenary session on "Gujarat's G20 Connect" as part of the Business 20 India Inception Meeting on Monday, Rajput said as a driving force, Gujarat will make a significant contribution to India's economic development. "By 2026-27, Gujarat aims to be a $500 billion economy and by 2030-32, a $1 trillion economy," he said.