India, June 17 -- Every time I head to the airport for an international flight, I constantly check to make sure my passport is where it's supposed to be - even if I haven't touched it since the last time I looked. As any frequent traveller knows, your passport is your lifeline when going abroad.

While most travellers do keep their passports on them at all times during the international travel process, there's one potential hiccup in the journey that you need to avoid - and it involves putting your passport in your carry-on suitcase.

Putting your passport in your carry-on luggage is a bad idea Close-up of suitcase with passport sticking out of side pocket | Image Credit: Grace Cary/Getty Images Travellers are typically allowed to bring ...