India vs Republic of India

India

name
  • A country in South Asia. Official name: Republic of India. 

  • A female given name 

  • An area of land in Southern Asia, traditionally delimited by the Himalayas and the Indus river; the Indian subcontinent. 

  • A territory of the British Empire, chiefly comprising the modern day countries of India, Pakistan, Bangladesh, Bhutan, Nepal and Burma. 

Republic of India

name
  • The official name of India. 

How often have the words India and Republic of India occurred in a corpus of books? (source: Google Ngram Viewer )