English is the official language of the ICCR, as it is the most widely spoken language in the world and is used as a lingua franca in international communication.

The ICCR uses 20 languages in its cultural diplomacy efforts, including Hindi, English, French, Spanish, Arabic, Chinese, Russian, German, Japanese, Korean, Portuguese, Italian, Dutch, Swedish, Norwegian, Danish, Finnish, Icelandic, and Faroese.

Arabic is the official language of most countries in the Middle East, and is therefore used by the ICCR to promote Indian culture in the region.

Chinese is the official language of China, and is therefore used by the ICCR to promote Indian culture in the country.

Russian is the official language of Russia, and is therefore used by the ICCR to promote Indian culture in the country.

French is the official language of France, and is therefore used by the ICCR to promote Indian culture in the country.

Spanish is the official language of Spain, and is therefore used by the ICCR to promote Indian culture in the country.

German is the official language of Germany, and is therefore used by the ICCR to promote Indian culture in the country.

Japanese is the official language of Japan, and is therefore used by the ICCR to promote Indian culture in the country.

Korean is the official language of Korea, and is therefore used by the ICCR to promote Indian culture in the country.

Portuguese is the official language of Portugal, and is therefore used by the ICCR to promote Indian culture in the country.

Italian is the official language of Italy, and is therefore used by the ICCR to promote Indian culture in the country.

Dutch is the official language of the Netherlands, and is therefore used by the ICCR to promote Indian culture in the country.

Swedish is the official language of Sweden, and is therefore used by the ICCR to promote Indian culture in the country.

Norwegian is the official language of Norway, and is therefore used by the ICCR to promote Indian culture in the country.