"This is a historical moment," Xi said addressing the opening ceremony of the bank, which along with the BRICS New Development Bank (NDB) is expected to expand infrastructure financing, rivalling the World Bank and Asian Development Bank.
An Indian delegation headed by Dinesh Sharma, additional Secretary in the Ministry of Finance attended the opening ceremony. In all 57 countries have joined as founding members while the US and Japan have stayed out.
"The funding and inauguration of the AIIB will effectively boost investment to support infrastructures development in Asia. It will serve to channel more resources, particularly private investment, into infrastructures projects," he said.
Xi also highlighted steps he said would ensure the AIIB becomes a "truly international, rule-based and high standard institution in all aspects, involving its governance structure, operation policy, procurement policy and human resources management".
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The US-backed ADB today said it "has started identifying potential co-financing projects with AIIB in such areas as transport, renewable energy, urban and water".
With authorised capital ofUSD 100 billion and subscribed capital of USD 50 billion,Beijing-based AIIB will invest in sectors including energy, transportation, urban construction and logistics as well as education and healthcare.
China, India and Russia are the three largest shareholders, taking a 30.34 per cent, 8.52 per cent, 6.66 per cent stake respectively in the newly formed Bank.
Their voting shares are calculated at 26.06 per cent, 7.5 per cent and 5.92 per cent.
The opening of the AIIB marked a milestone in the reform of the global economic governance system, Lou said in an interview earlier.
The AIIB will work together with multilateral development banks including the World Bank and the Asian Development Bank to facilitate Asian infrastructure construction and sustainable development, Lou said.
Asian Development Bank (ADB) President Takehiko Nakao in message has congratulated the AIIB.