New Delhi, May 20 -- Travel insurance is a must for those who are undertaking an overseas trip. While travel insurance is easily available and can be bought in a jiffy for affordable premiums, you should make sure that it is comprehensive enough to cover all unforeseen expenses. A good travel insurance should provide adequate cover for OPD (Outpatient Department) expenses, pre-existing diseases, medical emergencies and adventure sports. Here is a primer on the features you should have in your international travel insurance.

When you are buying an international travel insurance, make sure that it has OPD cover. This is because a large number of travel insurance policies do not cover OPD expenses. This will result in you paying the bills f...