कोसी नदी घाटी परीयोजना का आरंभ हुआ –

kosee nadee ghaatee pareeyojana ka aarambh hua -
10th science question

Q.  कोसी नदी घाटी परीयोजना का आरंभ हुआ – kosee nadee ghaatee pareeyojana ka aarambh hua –

  • a. 1947
  • b. 1948
  • c. 1952
  • d. 1955

Ans-d. 1955

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