The first bio-gas plant was installed in__________?
The first bio-gas plant was installed in__________? A. 1974 (Correct) B. 1975 C. 1972 D. 1978
The first bio-gas plant was installed in__________? A. 1974 (Correct) B. 1975 C. 1972 D. 1978
Pakistan Mineral Development Corporation was established in? A. 1979 B. 1981 C. 1974 (Correct) D. 1978