Answer: October 21
Notes: Police Commemoration Day is celebrated annually on October 21st to honor police officers who have lost their lives in the line of duty. The day commemorates the sacrifice of ten policemen who died while defending India's borders with China in 1959. The day is also known as Martyr's Day in all police forces of India. The government of India decided to observe October 21st as Police Commemoration Day to honor all police personnel who have died in the line of duty. The National Police Memorial was unveiled on October 21st, 2018 in New Delhi. The memorial is for those who have died from 1947 to the present.
