As of 2020, the Indian diaspora is estimated to be around 35 million people, making it one of the largest diasporas in the world.

The United States is home to the largest Indian diaspora population, with over 4 million people of Indian origin living in the country.

The Indian diaspora faces a number of challenges in terms of education, including lack of access to quality education, language barriers, and cultural differences.

The Indian diaspora can contribute to the development of education in India in a number of ways, including by providing financial support to educational institutions, sharing their knowledge and expertise, and advocating for policies that support education.

A number of initiatives have been undertaken to promote education among the Indian diaspora, including the establishment of the Indian Diaspora Education Fund, the launch of the Global Indian Scholars Program, and the creation of the Indian Diaspora University.

The Indian diaspora can help to preserve and promote Indian culture and heritage by establishing cultural centers and associations, organizing cultural events and festivals, and teaching Indian languages and arts to their children.

The Indian diaspora faces a number of challenges in terms of preserving and promoting Indian culture and heritage, including language barriers, cultural assimilation, and lack of access to resources.

The Indian diaspora can contribute to the economic development of India in a number of ways, including by investing in businesses and industries in India, transferring technology and knowledge to India, and promoting trade and commerce between India and other countries.

The Indian diaspora faces a number of challenges in terms of contributing to the economic development of India, including lack of access to information and resources, government regulations and policies, and cultural differences.

The Indian diaspora can contribute to the social and cultural development of India in a number of ways, including by promoting Indian culture and heritage, supporting educational and healthcare initiatives in India, and advocating for human rights and social justice in India.

The Indian diaspora faces a number of challenges in terms of contributing to the social and cultural development of India, including language barriers, cultural differences, and lack of access to information and resources.

The Indian diaspora can contribute to the political development of India in a number of ways, including by advocating for democratic reforms in India, supporting political parties and candidates that align with their values, and raising awareness about political issues in India.

The Indian diaspora faces a number of challenges in terms of contributing to the political development of India, including lack of voting rights in India, government restrictions on political activities by the diaspora, and cultural differences.

The Indian diaspora can contribute to the environmental sustainability of India in a number of ways, including by promoting sustainable practices in their own communities, supporting environmental organizations in India, and advocating for policies that protect the environment in India.

The Indian diaspora faces a number of challenges in terms of contributing to the environmental sustainability of India, including lack of awareness about environmental issues in India, cultural differences, and government regulations and policies.