Having seen how to get from Madras to Poona entirely by metre gauge, we now deviate slightly from Londa to give an all-MG and all-SR route from Madras to Vasco-da-Gama, the main station for Goa.
See this for Madras-Poona: https://abn397.wordpress.com/2022/11/18/madras-to-poona-by-metre-gauge-in-1962/
Note that this route, like the Madras-Poona route, lay entirely in SR in 1962.
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