Yes, you can extend your International Travel Insurance Policy very easily online. We would however, recommend you to buy the policy for the full duration, as the extension depends on the terms and conditions of the company. Please refer to the policy wordings for details.Senior Citizens policy (for ages between 71 years to 85 years) can be issued for a maximum of 360 days including extensions, i.e., if a customer has taken a policy for 180 days, he can further extend the same to another 180 days subject to underwriting guidelines.In case you decide to shorten your stay before the policy expires, you can reimburse the premium for the unused policy duration (minimum unused period must be 30 days). For instance, if you take a policy with an initial duration of six months but later decide to come back earlier, you can reimburse the premium for the unused policy duration provided you are in India by the end of fifth month.