Maini, Mahindra's reserve driver who also competes in Formula 2, has been involved in the team's development programme and regularly attended races to familiarise himself with the demands of Formula E.
According to Pew Research, 54 per cent of surveyed adults in India described Pakistan as their greatest geopolitical threat, followed by China at 21 per cent.
An airport spokesperson said: "Our teams are working to resolve the situation as quickly as possible, we apologise for any disruption caused," adding: "The leak has been isolated and repairs are on-going."