The correct answer is: C. 17 January
Non Resident Indians (NRI) Day is marked on 17 January every year. It is a day to celebrate the contributions of NRIs to the Indian economy and society. NRIs are Indians who live and work outside India. They play a vital role in the Indian economy, sending billions of dollars in remittances every year. They also contribute to the Indian economy by investing in Indian businesses and by starting their own businesses in India. NRIs also play a role in Indian society by promoting Indian culture and values abroad.
Option A: 7 January is the birth anniversary of Mahatma Gandhi.
Option B: 9 January is the birth anniversary of Rabindranath Tagore.
Option D: 19 January is the birth anniversary of Sardar Vallabhbhai Patel.