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वायु प्रदूषण निरोध/बचाव एवं नियन्त्रण अध...

वायु प्रदूषण निरोध/बचाव एवं नियन्त्रण अधिनियम कब लागू हुआ?

A

1990

B

1975

C

1981

D

1985

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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