Business Murugappa Group led Tube Investments remains sole bidder for CG Power Updated : August 27, 2020 08:09 AM IST Murugappa Group-led Tube Investments remained the sole bidder, with no new suitors coming forward under the Swiss Challenge method. Lenders proposed to conduct the sale via the Swiss Challenge Method which is an open bid process favouring the highest offer. The company ran into trouble last year when its board discovered large accounting irregularities. Its chairman Gautam Thapar was subsequently forced to leave. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.