You are right; the largest gains in global economic output where made after the industrial revolution. <a href="http:&#x2F;&#x2F;www.economist.com&#x2F;blogs&#x2F;dailychart&#x2F;2011&#x2F;06&#x2F;quantifying-history" rel="nofollow">http:&#x2F;&#x2F;www.economist.com&#x2F;blogs&#x2F;dailychart&#x2F;2011&#x2F;06&#x2F;quantifyin...</a>
But you can&#x27;t ignore British policies that decimated India&#x27;s manufacturing capability before that. Like what&#x27;s been written below..