Ambuja Neotia to invest Rs 2,700 crore in Bengal’s hospitality sector. Indian Hotels Company Limited (IHCL), one of India’s largest hospitality companies and Ambuja Neotia unveiled AltAir House - IHCL SeleQtions in Kolkata and Siliguri.Puneet Chhatwal, Managing Director & CEO of IHCL, said, “Our longstanding partnership with Ambuja Neotia strengthens with the opening of AltAir House under the IHCL SeleQtions brand in Kolkata and Siliguri.