Who created a device called the Telegragh a system for communicating to and from moving trains?

Question:
This famous African earned over 35 patent

Answers:

i want to know the train availability & timing from kolkata to siliguri?

I think you mean Telegraph?
Granville T. Woods. In his lifetime he was awarded over 60 patents, but this was his most important one.

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How is the income from train tickets distributed?

Granville Woods

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