Start as any northern indian with generic mission, sirhind is prob. easiest.
Work westwards
Embrace renaissance at you leisure							| - 5% / 95% total cost
Flip culture to persian
Form persia and become a feudal theocracy
Work though your missions until you reach "Patronize the Jains"; DO NOT COMPLETE THAT
Start working your way eastwards
Capture all Gondi-cultured provinces and flip culture
Conquer all provinces needed to form Nagpur, but dont form it yet
Pick any government reforms except the last one, leave it open until go time
Make sure you can flip religion to hinduism at any time
Ideas: Aristocratic, Economic, Expansion						| -10% / 85% total cost
Policy: Manueline Architecture								| -15% / 70% total cost

Setup done
Blob for lots of land to build on
Tech up for more buildings to build
When ready, follow the next steps in this exact order:

Start when you get a ruler with "Architectural Visionary" personality			| -10% / 60% total cost
Activate the "Sieze Clerical Holdings" button from the government tab			| -15% / 45% total cost
Form Nagpur										| -10% / 35% total cost
Give Jains enough land to make them have at leats 60 influence				| -10% / 25% total cost
Finish mission "Patronize the Jains"							| -10% / 15% total cost
Change religion to hindu, pick Ganga as patron saint					| -10% /  5% total cost
Pick your now aviable republican government form and become a plutocracy
Get the guilds faction in power								| -10% / "-5%" (effectively 0) total cost


ALTERNATIVE
Start as portugal, get national ideas							| -15% / 85%
Economic ideas										| -10% / 75%
Aristo-expansion policy									| -15% / 60%
Renaissance										| - 5% / 55%
Get an Archicetural Visionary ruler							| -10% / 45%
Form persia, activate "sieze clerical holdings"						| -15% / 30%
Flip hindu, pick Ganga									| -10% / 20%
Become a merchant republic, get the guilds in power					| -10% / 10%
Complete your mission, it should be ready by now...					| -10% / 0%