New Delhi, Dec. 12 -- InterGlobe Aviation, which operates India's biggest airline IndiGo, filed a petition with the Delhi High Court on Friday to recover almost Rs.900 crore from the Customs department.

This sum relates to Integrated Goods and Services Tax (IGST) and cess paid on the repair expenses for aircraft parts that were re-imported into India after maintenance abroad.

The move follows a major Delhi High Court judgment delivered in March, declaring as unconstitutional the levy of IGST and cess on the repair component of goods re-imported after overseas maintenance.

These rulings struck down portions of the 2021 Customs exemption notification, which had sought to tax repair value on re-imports.

IndiGo's fresh plea came up on Fri...