These companies include Wind World, RRB Energy, NEPC Micon, Pioneer Windcon, etc. among others. "There were 32 players in 2016-17, now it is down to 12. And of these, four are in NCLT," said Ajay Devaraj, secretary general, the Indian Wind Power Association (IWPA), adding that in 2017, after the government changed the wind energy bidding norms from feed-in-tariff to auction regime, the business model of these companies changed and captive generation died.