Hindi is the most widely used modern Indian language in scientific research and publication, followed by Bengali, Marathi, and Tamil.

C.V. Raman published his Nobel Prize-winning research in English, as it was the international language of science at the time.

The Indian Institute of Science (IISc) uses English as the medium of instruction and research, as it is the international language of science.

The Council of Scientific and Industrial Research (CSIR) uses Hindi as the primary language for its publications and outreach activities, in order to reach a wider audience in India.

The Indian National Science Academy (INSA) uses English as the primary language for its publications and conferences, as it is the international language of science.

The Department of Science and Technology (DST) uses Hindi as the primary language for its website and social media channels, in order to reach a wider audience in India.

The Ministry of Earth Sciences (MoES) uses Hindi as the primary language for its publications and public awareness campaigns, in order to reach a wider audience in India.

The Indian Space Research Organisation (ISRO) uses Hindi as the primary language for its website and social media channels, in order to reach a wider audience in India.

The Defence Research and Development Organisation (DRDO) uses Hindi as the primary language for its publications and outreach activities, in order to reach a wider audience in India.

The Atomic Energy Commission of India (AECI) uses Hindi as the primary language for its publications and public awareness campaigns, in order to reach a wider audience in India.

The Indian Council of Medical Research (ICMR) uses Hindi as the primary language for its publications and outreach activities, in order to reach a wider audience in India.

The Indian Institute of Technology (IIT) Delhi uses Hindi as the primary language for its website and social media channels, in order to reach a wider audience in India.

The Indian Institute of Technology (IIT) Bombay uses English as the primary language for its publications and conferences, as it is the international language of science.

The Indian Institute of Technology (IIT) Kanpur uses Hindi as the primary language for its website and social media channels, in order to reach a wider audience in India.

The Indian Institute of Technology (IIT) Kharagpur uses English as the primary language for its publications and conferences, as it is the international language of science.