1857: Years 1857 is important since this year when the revolt of 1857 or even the rebellion and first independence war did take place.
1947: 1947 is notable since in this year India has indeed been independent of the British. India is set free from the English on 15 August 1947.
1950: The year 1950 is noteworthy since we've adopted the Constitution Of India. We celebrate Independence Day this year.
1962: 1962 is significant so because the war in China occurred in Indo this year. Jawaharlal Nehru was chosen for the second time during the period.
1971: The year 1971 is notable this year because there had been a war between Indo and Pakistan.
1983: 1983 is a key year, this year since India earned their second cup final on cricket. Throughout that win, Kapil Dev was the Indian Captain.
2011: The year 2011 is notable because after 28 years India has hoisted its second world cup. Throughout that victory, M.S. Dhoni was indeed the Indian captain.