India, Republic, 1976 AD., Bombay mint, 1 Rupee, KM 78.1.

India, Republic, Mumbai (Bombay) mint, 1976 AD., type minted 1975-1979,
1 Rupee (28 mm / 7,93 g), copper-nickel, 8,00 g theoretical mint weight, mintage 161.895.000, axes medal alignment ↑↑ , security edge,
Obv.: भारत - INDIA , country name in Hindi and English flanking Asoka lion pedestal.
Rev.: रुपया / 1 / RUPEE / 1976 / ♦ , denomination in Hindi and English above year and mintmark "diamond", grain ears flanking.
KM 78.1 .

Year / Mint Mark / Mintage / Details
1975 KM#78.1 (Type 1; Calcutta Mint)
1975 KM#78.2 (Type 2; Calcutta Mint)
1975 ♦ 98,850,000 KM#78.1 (Type 1; Mumbai Mint)
1975 ♦ KM#78.1 (Proof; Type 1; Mumbai Mint)
1976 KM#78.2 (Type 2; Calcutta Mint)
1976 ♦ 161.895.000 KM#78.1 (Type 1; Mumbai Mint)
1976 ♦ KM#78.1 (Proof; Type 1; Mumbai Mint)
1977 ♦ 177,105,000 KM#78.1 (Type 1; Mumbai Mint)
1977 ♦ KM#78.1 (Proof; Type 1; Mumbai Mint)
1978 KM#78.1 (Type 1; Calcutta Mint)
1978 ♦ 127,348,000 KM#78.1 (Type 1; Mumbai Mint)
1978 ♦ KM#78.1 (Proof; Type 1; Mumbai Mint)
1979 KM#78.1 (Type 1; Calcutta Mint)
1979 KM#78.3 (Type 3; Calcutta Mint)
1979 ♦ KM#78.1 (Type 1; Mumbai Mint)
1979 ♦ KM#78.3 (Type 3; Mumbai Mint)
1979 ♦ KM#78.3 (Proof; Type 3; Mumbai Mint)
1980 KM#78.3 (Type 3; Calcutta Mint)
1980 ♦ 84,768,000 KM#78.3 (Type 3; Mumbai Mint)
1980 ♦ KM#78.3 (Proof; Type 3; Mumbai Mint)
1981 KM#78.3 (Type 3; Calcutta Mint)
1981 ♦ 82,458,000 KM#78.3 (Type 3; Mumbai Mint)
1981 ♦ KM#78.3 (Proof; Type 3; Mumbai Mint)
1982 ♦ 116,811,000 KM#78.3 (Type 3; Mumbai Mint)