With a higher disposable income and increase in discretionary spend, WHL has been able to increase its blended realisation at 14.8% CAGR in FY11-17. Further, with an in-house technical team and controlled cost structure, WHL has maintained average EBITDA margin of ~43% in FY11-17. Consequently, WHL has been able to reduce its payback period from nine years in Kochi to...