Which one of the following statements is correct?
- (a)Alliance Air is a wholly owned subsidiary of Indian Airlines
- (b)The Airports Authority of India manages seven of the country's international airports
- (c)The Airports Authority of India is the regulatory organisation for enforcing civil air regulations in India
- (d)It is the function of Directorate General of Civil Aviation to plan and construct runways and terminal buildings and to provide air safety services
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Official answer(a) Alliance Air is a wholly owned subsidiary of Indian Airlines