Explanation:

- Option 1: 1960 - This year was significant for Indian hockey, but not for a gold medal victory. In 1960, India won a silver medal in field hockey at the Rome Olympics.

- Option 2: 2008 - India won a historic gold medal in shooting at the Beijing Olympics by Abhinav Bindra, but this was not its first Olympic gold.

- Option 3: 1972 - India participated in the Munich Olympics but did not win any gold medals that year.

- Option 4: 1948 - India won its first Olympic gold medal as an independent nation in the 1948 London Olympics in field hockey.