How many points does it take to get your license suspended in Indiana?

In the UK 12 points will do it!

In the US it depends on the state

for example:

Florida: 322.28 excerpt provides

(a) When a licensee accumulates 12 points within a 12-month period, the period of suspension shall be for not more than 30 days.

(b) When a licensee accumulates 18 points, including points upon which suspension action is taken under paragraph (a), within an 18-month period, the suspension shall be for a period of not more than 3 months.

(c) When a licensee accumulates 24 points, including points upon which suspension action is taken under paragraphs (a) and (b), within a 36-month period, the suspension shall be for a period of not more than 1 year.