NEW DELHI: IndiGo co-founder Rakesh Gangwal has joined the board of US low-cost carrier Southwest, nearly 2.5 years after resigning from the board of the Indian LCC after falling out with promoter Rahul Bhatia. He has also served on several other public company boards, including US Airways Group in the past. Gangwal said: “I look forward to supporting the company’s strategic direction and building on its well-earned reputation as one of the world’s most admired and respected airlines.” Southwest appointed Gangwal as a member effective July 7.tnn