50 paisa: Mahatma Gandhi birth centenary, 1969
50 paise: grow more foodThe reverse shows wheat ears. Wheat is the staple food crop in India. The writing in Hindi reads adhik ann ugao which means grow more food.
50 paise: 25 years of independence
On the reverse we can see a woman with a man holding the Indian flag, and in the background there is the Indian parliament. The writing on the right reads 25veen swatantarya jayanti meaning the 25th year of the Indian independence. India got its independence in 1947 and this coin was released in 1972, 25 years after the independence.
Silver jubilee of independence 10 rupee