Question

How do railway constructed in the hilly terrains of the peninsular region.
A) On the top of the hills
B) Underneath the ground
C) Through low hills, gaps or funnels
D) Over the bridge connecting two hills.
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Answer 1

Answer:I think

option d) over bridge connecting two hills

because we can't make hill construct railway on top

and we also can't construct it at underneath

I think option c) can also come but not sure

hope it helps you