High-speed rail
Thick lines here are bare minimum that must be built.
Red lines (Akaravanti, East Coast, MUM-BLR) are rewards for loyalists
Green lines (Dehat, Maharashtra) are for rescuing regions from jatitva
Blue lines are economically essential
Black lines only built after winning TN, KL
Here’s the map overlaid on population density, to illustrate that these are good routes.
And here’s an interactive version, made with xatra: https://srajma.github.io/xatra/examples/hsr.html