The subsidiary, Agile Airport Services Pvt Ltd, has a paid-up capital of Rs 1 lakh.
In a regulatory filing, InterGlobe Aviation said Agile was incorporated as a wholly-owned subsidiary on February 14 and "is yet to commence its business".
InterGlobe is the parent of no-frills carrier IndiGo.
In a separate filing, Jet Airways said it has set up the subsidiary Airjet Ground Services Ltd (AGSL) having a paid-up capital of Rs 50 lakh.
It has been incorporated "as a wholly-owned subsidiary of the company for providing airline support services," the carrier said in a regulatory filing today.