[A] Gandhar
[B] Anga
[C] Magadha
[D] Kasi

[A] Canada
[B] France
[C] Australia
[D] USA

[A] Singapore
[B] Australia
[C] Srilanka
[D] Bhutan

[A] Henri Becquerel
[B] Theodor Wulf
[C] Robert Millikan
[D] Bruno Rossi

[A] 5000 Hectare
[B] 1000 Hectare
[C] 500 Hectare
[D] 200 Hectare

[A] Itanagar
[B] Guwahati
[C] Kohima
[D] Dispur

[A] 1-a, 2-c, 3-d, 4-b
[B]
[C] 1-b, 2-a, 3-d, 4-c
[D] 1-c, 2-d, 3-a, 4-b

[A] 1969
[B] 1975
[C] 1972
[D] 1962

[A] Six months
[B] One year
[C] Two years
[D] Three years

[A] Soil erosion
[B] Soil protection
[C] Depleting the soil of its moisture
[D] All of the above