India, Republic, 1982 AD., National Integration commemorative, Mumbai mint, 2 Rupees, KM 121.1.

India, Republic, National Integration commemorative issue, Mumbai (Bombay) mint (♦ below center of date), 1982 AD.,
2 Rupees (28 mm / 8,04 g), copper-nickel (75% copper, 25% nickel), 7,95 g. theor. mint weight, mintage ? , medal alignment ↑↑ (0°), bigger version, round type, security edge,
Obv.: राष्ट्रीय / एकता // NATIONAL / INTEGRATION / 1982 / ♦ , map of India in relief with the National flag over center of country, slogans "Rastriya / Ekata" ("National / Integration" in Hindi) and "NATIONAL / INTEGRATION" (in English) to right, small date and mint mark ♦ ("diamond") below center of date.
Rev.: भारत INDIA / सत्यमेव जयते / रूपये 2 RUPEES , ("Bharat" INDIA / Satyameva Jayate" / "Rupaye" 2 RUPEES) , Ashoka Lion Capital at center, motto "Satyameva Jayate" below ( सत्यमेव जयते; literal "Truth Alone Triumphs"), country name and denomination in Hindi and English.
KM 121.1 .

minted years dated 1982-1990 in 3 different mints, mintages unknown. Mint mark below date:
♦ (small dot/diamond) = Mumbai
(no mintmark) = Calcutta
* (five-pointed star below center of date) = Hyderabad

Year / Mint Mark / KM number, Details and Mint
1982 KM 121.1 (small date; security edge) Calcutta Mint
1982 ♦ KM 121.1 (small date; security edge) Mumbai Mint
1982 B KM 121.1 (small date; security edge) Mumbai Mint; Proof
1990 KM 121.2 (large date; smooth edge) Calcutta Mint
1990 KM 121.2 (large date; security edge) Calcutta Mint
1990 ♦ KM 121.2 (large date; security edge) Mumbai Mint
1990 * KM 121.2 (large date; security edge) Hyderbad Mint
1990 * KM 121.2 (large date; reeded edge) Hyderbad Mint