The Jamalpur Locomotive Workshop, established in 1862, holds a unique place in India's industrial history. Which of the following was a pioneering achievement of this workshop?

Options:

• A: It was the first workshop to assemble electric locomotives in Asia.
• B: It designed the first high-speed diesel engine for Indian Railways.
• C: It was the sole manufacturer of railway tracks for the entire British Empire.
• D: It was the first workshop in India to produce indigenous steam locomotives and establish an industrial iron foundry.

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