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 many countries.

The ICCR uses 20 languages in its cultural diplomacy initiatives, including Hindi, English, French, Spanish, Arabic, Chinese, Russian, Japanese, Korean, and Portuguese.

English is the most widely spoken language in the countries where the ICCR has cultural centers, as it is the official language of many of these countries and is used as a lingua franca in many others.

Spanish is the most widely spoken language in Latin America, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

French is the most widely spoken language in Africa, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

English is the most widely spoken language in Asia, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

English is the most widely spoken language in Europe, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

Arabic is the most widely spoken language in the Middle East, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

English is the most widely spoken language in Oceania, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

English is the most widely spoken language in North America, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

Spanish is the most widely spoken language in South America, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

Russian is the most widely spoken language in Central Asia, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

English is the most widely spoken language in Southeast Asia, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

English is the most widely spoken language in the Caribbean, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.

English is the most widely spoken language in the Pacific Islands, and is therefore used in the ICCR's cultural diplomacy initiatives in the region.