India is not the only country to object to the map - on Thursday, the Philippines and Malaysia issued protests against China's claim of ownership over most of the South China Sea in the map. Taiwan - which China says is a breakaway province that will eventually be under Beijing's control - also objected to its inclusion in the map.
On Thursday China indicated it wasn't budging on the map - the disputed border is an issue which has bedevilled relations for years.
"It is a routine practice in China's exercise of sovereignty in accordance with the law," foreign ministry spokesperson Wang Wenbin said.
"We hope relevant sides can stay objective and calm, and refrain from over-interpreting the issue."
India protests at Chinese map claiming territory
India-China border dispute explained in 400 words
India has often reacted angrily to China's attempts to stake claim to its territory.
The source of the tension between the neighbours is a disputed 3,440km (2,100 mile)-long de facto border along the Himalayas - called the Line of Actual Control, or LAC - which is poorly demarcated and soldiers on either side come face to face at many points.
China says it considers the whole of Arunachal Pradesh its territory, calling it "South Tibet" - a claim India firmly rejects. India claims the Aksai Chin plateau in the Himalayas, which is controlled by China.
Relations between India and China have worsened since 2020, when their troops were involved in a deadly clash at the Galwan valley in Ladakh - it was the first fatal confrontation between the two sides since 1975.
https://www.bbc.com/news/world-asia-india-66669341
