One, survey data about foreign affairs in India is limited. Pew, Gallup, and several others (including embassies) do conduct polls, but due to the high cost and high rates of 'no opinion' answers, they're not as numerous as one might expect.
To preempt such responses, let me just say: quite significant.
Here's a good explainer: online.stat.psu.edu/stat100/lesson…
perthusasia.edu.au/getattachment/…
brookings.edu/wp-content/upl…