50 paisa coin year of manufacture,material and specifications

1960-1963

Coins struck in nickel.
Diameter 24mm.
Denomination referred to as "naye paise".

1964

Denomination referred to as "paise".
Death of Jawaharial Nehru; reverse legend in English.

1964

Death of Jawaharial Nehru; reverse legend in Hindi.

1964-1971

Return to regular design, with "paise" denomination.

1969

Centennial of birth of Mahatma Gandhi.

1972

25th anniversary of independence.

1972-1973

New regular reverse design.

1973

F.A.O. issue, "Grow More Food".

1974-1983

Regular designs, reverse lettering closer together.

1982

National integration.

1984-1990

New regular designs.

1985

Golden jubilee of Reserve Bank of India.

1985

Death of Indira Gandhi.

1986

F.A.O. issue, fisheries.

1988-2003

New regular designs; reverse depicts parliament building in New Delhi.
Coins struck in stainless steel; weight 3.8 grams, diameter 22mm.

1997

50th anniversary of independence.

2008