interest bill down 45%, profit up 119%: what six years of repaying debt did for a steel maker

A steel maker in central India more than doubled its September-quarter profit after tax to about Rs 230 crore, from about Rs 105 crore a year ago, on sales that grew 23%. The headline is the profit. The part I found more useful is how the jump was built: roughly a third of it came from a smaller interest bill, & interest saved is a very different kind of profit from steel prices.

Six years ago this company owed its lenders about Rs 5,800 crore. By the end of September that was down to about Rs 1,500 crore, & it kept repaying in October. So what happens to a business when its lenders stop taking the first slice of every rupee it earns?
The company I'm referring to is . . .