Turkish company Çelebi Aviation said on Saturday it’s “fully cooperating” with Indian authorities and adhering to regulations after its ground handling and cargo warehouse operations were suspended due to national security concerns.

Turkey-based Celebi, which provides airport ground handling in India, has launched a legal challenge to New Delhi's decision to overturn its security clearance, arguing that "vague" national security concerns were cited without reasoning.

Celebi started operations in India in 2008, starting with Mumbai, followed by Delhi in 2009. Since then, it has grown to be a major ground handling agency in India with a presence at a total of nine stations in India — Mumbai,